201758739

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 352988160

約数和(自身を除く): 151229421

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 97, 133, 247, 273, 291, 399, 401, 679, 741, 1203, 1261, 1729, 1843, 2037, 2807, 3783, 5187, 5213, 5529, 7619, 8421, 8827, 12901, 15639, 22857, 23959, 26481, 36491, 38703, 38897, 53333, 71877, 99047, 109473, 116691, 159999, 167713, 272279, 297141, 503139, 505661, 693329, 739043, 816837, 1516983, 2079987, 2217129, 3539627, 5173301, 9607559, 10618881, 15519903, 28822677, 67252913, 201758739]

約数ペア:

[(1, 201758739), (3, 67252913), (7, 28822677), (13, 15519903), (19, 10618881), (21, 9607559), (39, 5173301), (57, 3539627), (91, 2217129), (97, 2079987), (133, 1516983), (247, 816837), (273, 739043), (291, 693329), (399, 505661), (401, 503139), (679, 297141), (741, 272279), (1203, 167713), (1261, 159999), (1729, 116691), (1843, 109473), (2037, 99047), (2807, 71877), (3783, 53333), (5187, 38897), (5213, 38703), (5529, 36491), (7619, 26481), (8421, 23959), (8827, 22857), (12901, 15639)]