64912545

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1601}}^1$

素因数の和:1682

約数の個数: 48

約数和(自身を含む): 121457232

約数和(自身を除く): 56544687

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 53, 85, 153, 159, 255, 265, 477, 765, 795, 901, 1601, 2385, 2703, 4505, 4803, 8005, 8109, 13515, 14409, 24015, 27217, 40545, 72045, 81651, 84853, 136085, 244953, 254559, 408255, 424265, 763677, 1224765, 1272795, 1442501, 3818385, 4327503, 7212505, 12982509, 21637515, 64912545]

約数ペア:

[(1, 64912545), (3, 21637515), (5, 12982509), (9, 7212505), (15, 4327503), (17, 3818385), (45, 1442501), (51, 1272795), (53, 1224765), (85, 763677), (153, 424265), (159, 408255), (255, 254559), (265, 244953), (477, 136085), (765, 84853), (795, 81651), (901, 72045), (1601, 40545), (2385, 27217), (2703, 24015), (4505, 14409), (4803, 13515), (8005, 8109)]