61420005

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 115568640

約数和(自身を除く): 54148635

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 131, 135, 151, 207, 345, 393, 453, 621, 655, 755, 1035, 1179, 1359, 1965, 2265, 3013, 3105, 3473, 3537, 4077, 5895, 6795, 9039, 10419, 15065, 17365, 17685, 19781, 20385, 27117, 31257, 45195, 52095, 59343, 81351, 93771, 98905, 135585, 156285, 178029, 296715, 406755, 454963, 468855, 534087, 890145, 1364889, 2274815, 2670435, 4094667, 6824445, 12284001, 20473335, 61420005]

約数ペア:

[(1, 61420005), (3, 20473335), (5, 12284001), (9, 6824445), (15, 4094667), (23, 2670435), (27, 2274815), (45, 1364889), (69, 890145), (115, 534087), (131, 468855), (135, 454963), (151, 406755), (207, 296715), (345, 178029), (393, 156285), (453, 135585), (621, 98905), (655, 93771), (755, 81351), (1035, 59343), (1179, 52095), (1359, 45195), (1965, 31257), (2265, 27117), (3013, 20385), (3105, 19781), (3473, 17685), (3537, 17365), (4077, 15065), (5895, 10419), (6795, 9039)]