71639175

素因数分解:

$3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 122135040

約数和(自身を除く): 50495865

約数列:

[1, 3, 5, 15, 25, 75, 79, 107, 113, 237, 321, 339, 395, 535, 565, 1185, 1605, 1695, 1975, 2675, 2825, 5925, 8025, 8453, 8475, 8927, 12091, 25359, 26781, 36273, 42265, 44635, 60455, 126795, 133905, 181365, 211325, 223175, 302275, 633975, 669525, 906825, 955189, 2865567, 4775945, 14327835, 23879725, 71639175]

約数ペア:

[(1, 71639175), (3, 23879725), (5, 14327835), (15, 4775945), (25, 2865567), (75, 955189), (79, 906825), (107, 669525), (113, 633975), (237, 302275), (321, 223175), (339, 211325), (395, 181365), (535, 133905), (565, 126795), (1185, 60455), (1605, 44635), (1695, 42265), (1975, 36273), (2675, 26781), (2825, 25359), (5925, 12091), (8025, 8927), (8453, 8475)]