27858390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2503}}^1$

素因数の和:2573

約数の個数: 64

約数和(自身を含む): 77884416

約数和(自身を除く): 50026026

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 53, 70, 105, 106, 159, 210, 265, 318, 371, 530, 742, 795, 1113, 1590, 1855, 2226, 2503, 3710, 5006, 5565, 7509, 11130, 12515, 15018, 17521, 25030, 35042, 37545, 52563, 75090, 87605, 105126, 132659, 175210, 262815, 265318, 397977, 525630, 663295, 795954, 928613, 1326590, 1857226, 1989885, 2785839, 3979770, 4643065, 5571678, 9286130, 13929195, 27858390]

約数ペア:

[(1, 27858390), (2, 13929195), (3, 9286130), (5, 5571678), (6, 4643065), (7, 3979770), (10, 2785839), (14, 1989885), (15, 1857226), (21, 1326590), (30, 928613), (35, 795954), (42, 663295), (53, 525630), (70, 397977), (105, 265318), (106, 262815), (159, 175210), (210, 132659), (265, 105126), (318, 87605), (371, 75090), (530, 52563), (742, 37545), (795, 35042), (1113, 25030), (1590, 17521), (1855, 15018), (2226, 12515), (2503, 11130), (3710, 7509), (5006, 5565)]