65618721

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 116121600

約数和(自身を除く): 50502879

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 83, 89, 141, 189, 249, 267, 329, 423, 581, 623, 747, 801, 987, 1269, 1743, 1869, 2241, 2403, 2961, 3901, 4183, 5229, 5607, 7387, 8883, 11703, 12549, 15687, 16821, 22161, 27307, 29281, 35109, 37647, 51709, 66483, 81921, 87843, 105327, 112941, 155127, 199449, 245763, 263529, 347189, 465381, 737289, 790587, 1041567, 1396143, 2430323, 3124701, 7290969, 9374103, 21872907, 65618721]

約数ペア:

[(1, 65618721), (3, 21872907), (7, 9374103), (9, 7290969), (21, 3124701), (27, 2430323), (47, 1396143), (63, 1041567), (83, 790587), (89, 737289), (141, 465381), (189, 347189), (249, 263529), (267, 245763), (329, 199449), (423, 155127), (581, 112941), (623, 105327), (747, 87843), (801, 81921), (987, 66483), (1269, 51709), (1743, 37647), (1869, 35109), (2241, 29281), (2403, 27307), (2961, 22161), (3901, 16821), (4183, 15687), (5229, 12549), (5607, 11703), (7387, 8883)]