2491365519

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:216

約数の個数: 112

約数和(自身を含む): 4155148800

約数和(自身を除く): 1663783281

約数列:

[1, 3, 9, 19, 27, 43, 47, 57, 81, 89, 129, 141, 171, 243, 267, 387, 423, 513, 729, 801, 817, 893, 1161, 1269, 1539, 1691, 2021, 2403, 2451, 2679, 3483, 3807, 3827, 4183, 4617, 5073, 6063, 7209, 7353, 8037, 10449, 11421, 11481, 12549, 13851, 15219, 18189, 21627, 22059, 24111, 31347, 34263, 34443, 37647, 38399, 45657, 54567, 64881, 66177, 72333, 72713, 79477, 103329, 112941, 115197, 136971, 163701, 179869, 198531, 216999, 218139, 238431, 309987, 338823, 345591, 410913, 491103, 539607, 595593, 650997, 654417, 715293, 929961, 1016469, 1036773, 1232739, 1473309, 1618821, 1963251, 2145879, 2789883, 3049407, 3110319, 3417511, 4856463, 5889753, 6437637, 9330957, 10252533, 14569389, 17669259, 19312911, 27992871, 30757599, 43708167, 53007777, 57938733, 92272797, 131124501, 276818391, 830455173, 2491365519]

約数ペア:

[(1, 2491365519), (3, 830455173), (9, 276818391), (19, 131124501), (27, 92272797), (43, 57938733), (47, 53007777), (57, 43708167), (81, 30757599), (89, 27992871), (129, 19312911), (141, 17669259), (171, 14569389), (243, 10252533), (267, 9330957), (387, 6437637), (423, 5889753), (513, 4856463), (729, 3417511), (801, 3110319), (817, 3049407), (893, 2789883), (1161, 2145879), (1269, 1963251), (1539, 1618821), (1691, 1473309), (2021, 1232739), (2403, 1036773), (2451, 1016469), (2679, 929961), (3483, 715293), (3807, 654417), (3827, 650997), (4183, 595593), (4617, 539607), (5073, 491103), (6063, 410913), (7209, 345591), (7353, 338823), (8037, 309987), (10449, 238431), (11421, 218139), (11481, 216999), (12549, 198531), (13851, 179869), (15219, 163701), (18189, 136971), (21627, 115197), (22059, 112941), (24111, 103329), (31347, 79477), (34263, 72713), (34443, 72333), (37647, 66177), (38399, 64881), (45657, 54567)]