27687285

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 52968960

約数和(自身を除く): 25281675

約数列:

[1, 3, 5, 9, 15, 23, 27, 37, 45, 69, 111, 115, 135, 185, 207, 241, 333, 345, 555, 621, 723, 851, 999, 1035, 1205, 1665, 2169, 2553, 3105, 3615, 4255, 4995, 5543, 6507, 7659, 8917, 10845, 12765, 16629, 22977, 26751, 27715, 32535, 38295, 44585, 49887, 80253, 83145, 114885, 133755, 149661, 205091, 240759, 249435, 401265, 615273, 748305, 1025455, 1203795, 1845819, 3076365, 5537457, 9229095, 27687285]

約数ペア:

[(1, 27687285), (3, 9229095), (5, 5537457), (9, 3076365), (15, 1845819), (23, 1203795), (27, 1025455), (37, 748305), (45, 615273), (69, 401265), (111, 249435), (115, 240759), (135, 205091), (185, 149661), (207, 133755), (241, 114885), (333, 83145), (345, 80253), (555, 49887), (621, 44585), (723, 38295), (851, 32535), (999, 27715), (1035, 26751), (1205, 22977), (1665, 16629), (2169, 12765), (2553, 10845), (3105, 8917), (3615, 7659), (4255, 6507), (4995, 5543)]