42638625

素因数分解:

$3^2\times 5^3\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:423

約数の個数: 48

約数和(自身を含む): 77680512

約数和(自身を除く): 35041887

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 151, 225, 251, 375, 453, 753, 755, 1125, 1255, 1359, 2259, 2265, 3765, 3775, 6275, 6795, 11295, 11325, 18825, 18875, 31375, 33975, 37901, 56475, 56625, 94125, 113703, 169875, 189505, 282375, 341109, 568515, 947525, 1705545, 2842575, 4737625, 8527725, 14212875, 42638625]

約数ペア:

[(1, 42638625), (3, 14212875), (5, 8527725), (9, 4737625), (15, 2842575), (25, 1705545), (45, 947525), (75, 568515), (125, 341109), (151, 282375), (225, 189505), (251, 169875), (375, 113703), (453, 94125), (753, 56625), (755, 56475), (1125, 37901), (1255, 33975), (1359, 31375), (2259, 18875), (2265, 18825), (3765, 11325), (3775, 11295), (6275, 6795)]