28428075

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9719}}^1$

素因数の和:9748

約数の個数: 36

約数和(自身を含む): 54840240

約数和(自身を除く): 26412165

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 9719, 29157, 48595, 87471, 126347, 145785, 242975, 379041, 437355, 631735, 728925, 1137123, 1895205, 2186775, 3158675, 5685615, 9476025, 28428075]

約数ペア:

[(1, 28428075), (3, 9476025), (5, 5685615), (9, 3158675), (13, 2186775), (15, 1895205), (25, 1137123), (39, 728925), (45, 631735), (65, 437355), (75, 379041), (117, 242975), (195, 145785), (225, 126347), (325, 87471), (585, 48595), (975, 29157), (2925, 9719)]