207972375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1153}}^1$

素因数の和:1221

約数の個数: 64

約数和(自身を含む): 383091072

約数和(自身を除く): 175118697

約数列:

[1, 3, 5, 13, 15, 25, 37, 39, 65, 75, 111, 125, 185, 195, 325, 375, 481, 555, 925, 975, 1153, 1443, 1625, 2405, 2775, 3459, 4625, 4875, 5765, 7215, 12025, 13875, 14989, 17295, 28825, 36075, 42661, 44967, 60125, 74945, 86475, 127983, 144125, 180375, 213305, 224835, 374725, 432375, 554593, 639915, 1066525, 1124175, 1663779, 1873625, 2772965, 3199575, 5332625, 5620875, 8318895, 13864825, 15997875, 41594475, 69324125, 207972375]

約数ペア:

[(1, 207972375), (3, 69324125), (5, 41594475), (13, 15997875), (15, 13864825), (25, 8318895), (37, 5620875), (39, 5332625), (65, 3199575), (75, 2772965), (111, 1873625), (125, 1663779), (185, 1124175), (195, 1066525), (325, 639915), (375, 554593), (481, 432375), (555, 374725), (925, 224835), (975, 213305), (1153, 180375), (1443, 144125), (1625, 127983), (2405, 86475), (2775, 74945), (3459, 60125), (4625, 44967), (4875, 42661), (5765, 36075), (7215, 28825), (12025, 17295), (13875, 14989)]