208031775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5581}}^1$

素因数の和:5672

約数の個数: 48

約数和(自身を含む): 398688768

約数和(自身を除く): 190656993

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 71, 75, 105, 175, 213, 355, 497, 525, 1065, 1491, 1775, 2485, 5325, 5581, 7455, 12425, 16743, 27905, 37275, 39067, 83715, 117201, 139525, 195335, 396251, 418575, 586005, 976675, 1188753, 1981255, 2773757, 2930025, 5943765, 8321271, 9906275, 13868785, 29718825, 41606355, 69343925, 208031775]

約数ペア:

[(1, 208031775), (3, 69343925), (5, 41606355), (7, 29718825), (15, 13868785), (21, 9906275), (25, 8321271), (35, 5943765), (71, 2930025), (75, 2773757), (105, 1981255), (175, 1188753), (213, 976675), (355, 586005), (497, 418575), (525, 396251), (1065, 195335), (1491, 139525), (1775, 117201), (2485, 83715), (5325, 39067), (5581, 37275), (7455, 27905), (12425, 16743)]