31367115

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 61246080

約数和(自身を除く): 29878965

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 61, 65, 117, 135, 183, 195, 293, 305, 351, 549, 585, 793, 879, 915, 1465, 1647, 1755, 2379, 2637, 2745, 3809, 3965, 4395, 7137, 7911, 8235, 11427, 11895, 13185, 17873, 19045, 21411, 34281, 35685, 39555, 53619, 57135, 89365, 102843, 107055, 160857, 171405, 232349, 268095, 482571, 514215, 697047, 804285, 1161745, 2091141, 2412855, 3485235, 6273423, 10455705, 31367115]

約数ペア:

[(1, 31367115), (3, 10455705), (5, 6273423), (9, 3485235), (13, 2412855), (15, 2091141), (27, 1161745), (39, 804285), (45, 697047), (61, 514215), (65, 482571), (117, 268095), (135, 232349), (183, 171405), (195, 160857), (293, 107055), (305, 102843), (351, 89365), (549, 57135), (585, 53619), (793, 39555), (879, 35685), (915, 34281), (1465, 21411), (1647, 19045), (1755, 17873), (2379, 13185), (2637, 11895), (2745, 11427), (3809, 8235), (3965, 7911), (4395, 7137)]