71784495

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:477

約数の個数: 64

約数和(自身を含む): 135705600

約数和(自身を除く): 63921105

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 61, 69, 115, 135, 183, 207, 305, 345, 379, 549, 621, 915, 1035, 1137, 1403, 1647, 1895, 2745, 3105, 3411, 4209, 5685, 7015, 8235, 8717, 10233, 12627, 17055, 21045, 23119, 26151, 37881, 43585, 51165, 63135, 69357, 78453, 115595, 130755, 189405, 208071, 235359, 346785, 392265, 531737, 624213, 1040355, 1176795, 1595211, 2658685, 3121065, 4785633, 7976055, 14356899, 23928165, 71784495]

約数ペア:

[(1, 71784495), (3, 23928165), (5, 14356899), (9, 7976055), (15, 4785633), (23, 3121065), (27, 2658685), (45, 1595211), (61, 1176795), (69, 1040355), (115, 624213), (135, 531737), (183, 392265), (207, 346785), (305, 235359), (345, 208071), (379, 189405), (549, 130755), (621, 115595), (915, 78453), (1035, 69357), (1137, 63135), (1403, 51165), (1647, 43585), (1895, 37881), (2745, 26151), (3105, 23119), (3411, 21045), (4209, 17055), (5685, 12627), (7015, 10233), (8235, 8717)]