18159273

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 30331392

約数和(自身を除く): 12172119

約数列:

[1, 3, 9, 11, 31, 33, 61, 93, 97, 99, 183, 279, 291, 341, 549, 671, 873, 1023, 1067, 1891, 2013, 3007, 3069, 3201, 5673, 5917, 6039, 9021, 9603, 17019, 17751, 20801, 27063, 33077, 53253, 62403, 65087, 99231, 183427, 187209, 195261, 297693, 550281, 585783, 1650843, 2017697, 6053091, 18159273]

約数ペア:

[(1, 18159273), (3, 6053091), (9, 2017697), (11, 1650843), (31, 585783), (33, 550281), (61, 297693), (93, 195261), (97, 187209), (99, 183427), (183, 99231), (279, 65087), (291, 62403), (341, 53253), (549, 33077), (671, 27063), (873, 20801), (1023, 17751), (1067, 17019), (1891, 9603), (2013, 9021), (3007, 6039), (3069, 5917), (3201, 5673)]