71381475

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 141133824

約数和(自身を除く): 69752349

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 151, 165, 191, 225, 275, 453, 495, 573, 755, 825, 955, 1359, 1661, 1719, 2101, 2265, 2475, 2865, 3775, 4775, 4983, 6303, 6795, 8305, 8595, 10505, 11325, 14325, 14949, 18909, 24915, 28841, 31515, 33975, 41525, 42975, 52525, 74745, 86523, 94545, 124575, 144205, 157575, 259569, 317251, 373725, 432615, 472725, 721025, 951753, 1297845, 1586255, 2163075, 2855259, 4758765, 6489225, 7931275, 14276295, 23793825, 71381475]

約数ペア:

[(1, 71381475), (3, 23793825), (5, 14276295), (9, 7931275), (11, 6489225), (15, 4758765), (25, 2855259), (33, 2163075), (45, 1586255), (55, 1297845), (75, 951753), (99, 721025), (151, 472725), (165, 432615), (191, 373725), (225, 317251), (275, 259569), (453, 157575), (495, 144205), (573, 124575), (755, 94545), (825, 86523), (955, 74745), (1359, 52525), (1661, 42975), (1719, 41525), (2101, 33975), (2265, 31515), (2475, 28841), (2865, 24915), (3775, 18909), (4775, 14949), (4983, 14325), (6303, 11325), (6795, 10505), (8305, 8595)]