30787371

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 49107968

約数和(自身を除く): 18320597

約数列:

[1, 3, 9, 27, 31, 61, 67, 81, 93, 183, 201, 243, 279, 549, 603, 837, 1647, 1809, 1891, 2077, 2511, 4087, 4941, 5427, 5673, 6231, 7533, 12261, 14823, 16281, 17019, 18693, 36783, 51057, 56079, 110349, 126697, 153171, 168237, 331047, 380091, 459513, 504711, 993141, 1140273, 3420819, 10262457, 30787371]

約数ペア:

[(1, 30787371), (3, 10262457), (9, 3420819), (27, 1140273), (31, 993141), (61, 504711), (67, 459513), (81, 380091), (93, 331047), (183, 168237), (201, 153171), (243, 126697), (279, 110349), (549, 56079), (603, 51057), (837, 36783), (1647, 18693), (1809, 17019), (1891, 16281), (2077, 14823), (2511, 12261), (4087, 7533), (4941, 6231), (5427, 5673)]