15800625

素因数分解:

$3^2\times 5^4\times {\mathrm{53}}^2$

素因数の和:132

約数の個数: 45

約数和(自身を含む): 29068039

約数和(自身を除く): 13267414

約数列:

[1, 3, 5, 9, 15, 25, 45, 53, 75, 125, 159, 225, 265, 375, 477, 625, 795, 1125, 1325, 1875, 2385, 2809, 3975, 5625, 6625, 8427, 11925, 14045, 19875, 25281, 33125, 42135, 59625, 70225, 99375, 126405, 210675, 298125, 351125, 632025, 1053375, 1755625, 3160125, 5266875, 15800625]

約数ペア:

[(1, 15800625), (3, 5266875), (5, 3160125), (9, 1755625), (15, 1053375), (25, 632025), (45, 351125), (53, 298125), (75, 210675), (125, 126405), (159, 99375), (225, 70225), (265, 59625), (375, 42135), (477, 33125), (625, 25281), (795, 19875), (1125, 14045), (1325, 11925), (1875, 8427), (2385, 6625), (2809, 5625)]