204655725

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:667

約数の個数: 72

約数和(自身を含む): 388582272

約数和(自身を除く): 183926547

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 71, 75, 115, 207, 213, 225, 345, 355, 557, 575, 639, 1035, 1065, 1633, 1671, 1725, 1775, 2785, 3195, 4899, 5013, 5175, 5325, 8165, 8355, 12811, 13925, 14697, 15975, 24495, 25065, 38433, 39547, 40825, 41775, 64055, 73485, 115299, 118641, 122475, 125325, 192165, 197735, 320275, 355923, 367425, 576495, 593205, 909581, 960825, 988675, 1779615, 2728743, 2882475, 2966025, 4547905, 8186229, 8898075, 13643715, 22739525, 40931145, 68218575, 204655725]

約数ペア:

[(1, 204655725), (3, 68218575), (5, 40931145), (9, 22739525), (15, 13643715), (23, 8898075), (25, 8186229), (45, 4547905), (69, 2966025), (71, 2882475), (75, 2728743), (115, 1779615), (207, 988675), (213, 960825), (225, 909581), (345, 593205), (355, 576495), (557, 367425), (575, 355923), (639, 320275), (1035, 197735), (1065, 192165), (1633, 125325), (1671, 122475), (1725, 118641), (1775, 115299), (2785, 73485), (3195, 64055), (4899, 41775), (5013, 40825), (5175, 39547), (5325, 38433), (8165, 25065), (8355, 24495), (12811, 15975), (13925, 14697)]