1662981525

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2539}}^1$

素因数の和:2667

約数の個数: 72

約数和(自身を含む): 3095426880

約数和(自身を除く): 1432445355

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 71, 75, 123, 205, 213, 225, 355, 369, 615, 639, 1025, 1065, 1775, 1845, 2539, 2911, 3075, 3195, 5325, 7617, 8733, 9225, 12695, 14555, 15975, 22851, 26199, 38085, 43665, 63475, 72775, 104099, 114255, 130995, 180269, 190425, 218325, 312297, 520495, 540807, 571275, 654975, 901345, 936891, 1561485, 1622421, 2602475, 2704035, 4506725, 4684455, 7391029, 7807425, 8112105, 13520175, 22173087, 23422275, 36955145, 40560525, 66519261, 110865435, 184775725, 332596305, 554327175, 1662981525]

約数ペア:

[(1, 1662981525), (3, 554327175), (5, 332596305), (9, 184775725), (15, 110865435), (25, 66519261), (41, 40560525), (45, 36955145), (71, 23422275), (75, 22173087), (123, 13520175), (205, 8112105), (213, 7807425), (225, 7391029), (355, 4684455), (369, 4506725), (615, 2704035), (639, 2602475), (1025, 1622421), (1065, 1561485), (1775, 936891), (1845, 901345), (2539, 654975), (2911, 571275), (3075, 540807), (3195, 520495), (5325, 312297), (7617, 218325), (8733, 190425), (9225, 180269), (12695, 130995), (14555, 114255), (15975, 104099), (22851, 72775), (26199, 63475), (38085, 43665)]