27280188

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:915

約数の個数: 72

約数和(自身を含む): 75400416

約数和(自身を除く): 48120228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 213, 234, 284, 426, 468, 639, 821, 852, 923, 1278, 1642, 1846, 2463, 2556, 2769, 3284, 3692, 4926, 5538, 7389, 8307, 9852, 10673, 11076, 14778, 16614, 21346, 29556, 32019, 33228, 42692, 58291, 64038, 96057, 116582, 128076, 174873, 192114, 233164, 349746, 384228, 524619, 699492, 757783, 1049238, 1515566, 2098476, 2273349, 3031132, 4546698, 6820047, 9093396, 13640094, 27280188]

約数ペア:

[(1, 27280188), (2, 13640094), (3, 9093396), (4, 6820047), (6, 4546698), (9, 3031132), (12, 2273349), (13, 2098476), (18, 1515566), (26, 1049238), (36, 757783), (39, 699492), (52, 524619), (71, 384228), (78, 349746), (117, 233164), (142, 192114), (156, 174873), (213, 128076), (234, 116582), (284, 96057), (426, 64038), (468, 58291), (639, 42692), (821, 33228), (852, 32019), (923, 29556), (1278, 21346), (1642, 16614), (1846, 14778), (2463, 11076), (2556, 10673), (2769, 9852), (3284, 8307), (3692, 7389), (4926, 5538)]