221433735

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{3923}}^1$

素因数の和:4055

約数の個数: 32

約数和(自身を含む): 366156288

約数和(自身を除く): 144722553

約数列:

[1, 3, 5, 15, 53, 71, 159, 213, 265, 355, 795, 1065, 3763, 3923, 11289, 11769, 18815, 19615, 56445, 58845, 207919, 278533, 623757, 835599, 1039595, 1392665, 3118785, 4177995, 14762249, 44286747, 73811245, 221433735]

約数ペア:

[(1, 221433735), (3, 73811245), (5, 44286747), (15, 14762249), (53, 4177995), (71, 3118785), (159, 1392665), (213, 1039595), (265, 835599), (355, 623757), (795, 278533), (1065, 207919), (3763, 58845), (3923, 56445), (11289, 19615), (11769, 18815)]