28355535

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 26802225

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 107, 117, 135, 151, 195, 321, 351, 453, 535, 585, 755, 963, 1359, 1391, 1605, 1755, 1963, 2265, 2889, 4077, 4173, 4815, 5889, 6795, 6955, 9815, 12519, 14445, 16157, 17667, 20385, 20865, 29445, 37557, 48471, 53001, 62595, 80785, 88335, 145413, 187785, 210041, 242355, 265005, 436239, 630123, 727065, 1050205, 1890369, 2181195, 3150615, 5671107, 9451845, 28355535]

約数ペア:

[(1, 28355535), (3, 9451845), (5, 5671107), (9, 3150615), (13, 2181195), (15, 1890369), (27, 1050205), (39, 727065), (45, 630123), (65, 436239), (107, 265005), (117, 242355), (135, 210041), (151, 187785), (195, 145413), (321, 88335), (351, 80785), (453, 62595), (535, 53001), (585, 48471), (755, 37557), (963, 29445), (1359, 20865), (1391, 20385), (1605, 17667), (1755, 16157), (1963, 14445), (2265, 12519), (2889, 9815), (4077, 6955), (4173, 6795), (4815, 5889)]