8440965

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 16144128

約数和(自身を除く): 7703163

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 47, 65, 117, 141, 195, 235, 307, 423, 585, 611, 705, 921, 1535, 1833, 2115, 2763, 3055, 3991, 4605, 5499, 9165, 11973, 13815, 14429, 19955, 27495, 35919, 43287, 59865, 72145, 129861, 179595, 187577, 216435, 562731, 649305, 937885, 1688193, 2813655, 8440965]

約数ペア:

[(1, 8440965), (3, 2813655), (5, 1688193), (9, 937885), (13, 649305), (15, 562731), (39, 216435), (45, 187577), (47, 179595), (65, 129861), (117, 72145), (141, 59865), (195, 43287), (235, 35919), (307, 27495), (423, 19955), (585, 14429), (611, 13815), (705, 11973), (921, 9165), (1535, 5499), (1833, 4605), (2115, 3991), (2763, 3055)]