321401355

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{8581}}^1$

素因数の和:8827

約数の個数: 32

約数和(自身を含む): 563528448

約数和(自身を除く): 242127093

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 227, 681, 1135, 2497, 3405, 7491, 8581, 12485, 25743, 37455, 42905, 94391, 128715, 283173, 471955, 1415865, 1947887, 5843661, 9739435, 21426757, 29218305, 64280271, 107133785, 321401355]

約数ペア:

[(1, 321401355), (3, 107133785), (5, 64280271), (11, 29218305), (15, 21426757), (33, 9739435), (55, 5843661), (165, 1947887), (227, 1415865), (681, 471955), (1135, 283173), (2497, 128715), (3405, 94391), (7491, 42905), (8581, 37455), (12485, 25743)]