1890944775

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{118369}}^1$

素因数の和:118456

約数の個数: 36

約数和(自身を含む): 3434623920

約数和(自身を除く): 1543679145

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 639, 1065, 1775, 3195, 5325, 15975, 118369, 355107, 591845, 1065321, 1775535, 2959225, 5326605, 8404199, 8877675, 25212597, 26633025, 42020995, 75637791, 126062985, 210104975, 378188955, 630314925, 1890944775]

約数ペア:

[(1, 1890944775), (3, 630314925), (5, 378188955), (9, 210104975), (15, 126062985), (25, 75637791), (45, 42020995), (71, 26633025), (75, 25212597), (213, 8877675), (225, 8404199), (355, 5326605), (639, 2959225), (1065, 1775535), (1775, 1065321), (3195, 591845), (5325, 355107), (15975, 118369)]