197408025

素因数分解:

$3^2\times 5^2\times {\mathrm{239}}^1\times {\mathrm{3671}}^1$

素因数の和:3926

約数の個数: 36

約数和(自身を含む): 355155840

約数和(自身を除く): 157747815

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 239, 717, 1195, 2151, 3585, 3671, 5975, 10755, 11013, 17925, 18355, 33039, 53775, 55065, 91775, 165195, 275325, 825975, 877369, 2632107, 4386845, 7896321, 13160535, 21934225, 39481605, 65802675, 197408025]

約数ペア:

[(1, 197408025), (3, 65802675), (5, 39481605), (9, 21934225), (15, 13160535), (25, 7896321), (45, 4386845), (75, 2632107), (225, 877369), (239, 825975), (717, 275325), (1195, 165195), (2151, 91775), (3585, 55065), (3671, 53775), (5975, 33039), (10755, 18355), (11013, 17925)]