11901375

素因数分解:

$3^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 48

約数和(自身を含む): 21902400

約数和(自身を除く): 10001025

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 125, 149, 213, 225, 355, 375, 447, 639, 745, 1065, 1125, 1341, 1775, 2235, 3195, 3725, 5325, 6705, 8875, 10579, 11175, 15975, 18625, 26625, 31737, 33525, 52895, 55875, 79875, 95211, 158685, 167625, 264475, 476055, 793425, 1322375, 2380275, 3967125, 11901375]

約数ペア:

[(1, 11901375), (3, 3967125), (5, 2380275), (9, 1322375), (15, 793425), (25, 476055), (45, 264475), (71, 167625), (75, 158685), (125, 95211), (149, 79875), (213, 55875), (225, 52895), (355, 33525), (375, 31737), (447, 26625), (639, 18625), (745, 15975), (1065, 11175), (1125, 10579), (1341, 8875), (1775, 6705), (2235, 5325), (3195, 3725)]