388490025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67271}}^1$

素因数の和:67302

約数の個数: 48

約数和(自身を含む): 800805888

約数和(自身を除く): 412315863

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 231, 275, 385, 525, 825, 1155, 1925, 5775, 67271, 201813, 336355, 470897, 739981, 1009065, 1412691, 1681775, 2219943, 2354485, 3699905, 5045325, 5179867, 7063455, 11099715, 11772425, 15539601, 18499525, 25899335, 35317275, 55498575, 77698005, 129496675, 388490025]

約数ペア:

[(1, 388490025), (3, 129496675), (5, 77698005), (7, 55498575), (11, 35317275), (15, 25899335), (21, 18499525), (25, 15539601), (33, 11772425), (35, 11099715), (55, 7063455), (75, 5179867), (77, 5045325), (105, 3699905), (165, 2354485), (175, 2219943), (231, 1681775), (275, 1412691), (385, 1009065), (525, 739981), (825, 470897), (1155, 336355), (1925, 201813), (5775, 67271)]