251857125

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1013}}^1$

素因数の和:1064

約数の個数: 96

約数和(自身を含む): 518210784

約数和(自身を除く): 266353659

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 39, 45, 51, 65, 75, 85, 117, 125, 153, 195, 221, 225, 255, 325, 375, 425, 585, 663, 765, 975, 1013, 1105, 1125, 1275, 1625, 1989, 2125, 2925, 3039, 3315, 3825, 4875, 5065, 5525, 6375, 9117, 9945, 13169, 14625, 15195, 16575, 17221, 19125, 25325, 27625, 39507, 45585, 49725, 51663, 65845, 75975, 82875, 86105, 118521, 126625, 154989, 197535, 223873, 227925, 248625, 258315, 329225, 379875, 430525, 592605, 671619, 774945, 987675, 1119365, 1139625, 1291575, 1646125, 2014857, 2152625, 2963025, 3358095, 3874725, 4938375, 5596825, 6457875, 10074285, 14815125, 16790475, 19373625, 27984125, 50371425, 83952375, 251857125]

約数ペア:

[(1, 251857125), (3, 83952375), (5, 50371425), (9, 27984125), (13, 19373625), (15, 16790475), (17, 14815125), (25, 10074285), (39, 6457875), (45, 5596825), (51, 4938375), (65, 3874725), (75, 3358095), (85, 2963025), (117, 2152625), (125, 2014857), (153, 1646125), (195, 1291575), (221, 1139625), (225, 1119365), (255, 987675), (325, 774945), (375, 671619), (425, 592605), (585, 430525), (663, 379875), (765, 329225), (975, 258315), (1013, 248625), (1105, 227925), (1125, 223873), (1275, 197535), (1625, 154989), (1989, 126625), (2125, 118521), (2925, 86105), (3039, 82875), (3315, 75975), (3825, 65845), (4875, 51663), (5065, 49725), (5525, 45585), (6375, 39507), (9117, 27625), (9945, 25325), (13169, 19125), (14625, 17221), (15195, 16575)]