77985375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{941}}^1$

素因数の和:989

約数の個数: 64

約数和(自身を含む): 148127616

約数和(自身を除く): 70142241

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 125, 195, 221, 255, 325, 375, 425, 663, 941, 975, 1105, 1275, 1625, 2125, 2823, 3315, 4705, 4875, 5525, 6375, 12233, 14115, 15997, 16575, 23525, 27625, 36699, 47991, 61165, 70575, 79985, 82875, 117625, 183495, 207961, 239955, 305825, 352875, 399925, 623883, 917475, 1039805, 1199775, 1529125, 1999625, 3119415, 4587375, 5199025, 5998875, 15597075, 25995125, 77985375]

約数ペア:

[(1, 77985375), (3, 25995125), (5, 15597075), (13, 5998875), (15, 5199025), (17, 4587375), (25, 3119415), (39, 1999625), (51, 1529125), (65, 1199775), (75, 1039805), (85, 917475), (125, 623883), (195, 399925), (221, 352875), (255, 305825), (325, 239955), (375, 207961), (425, 183495), (663, 117625), (941, 82875), (975, 79985), (1105, 70575), (1275, 61165), (1625, 47991), (2125, 36699), (2823, 27625), (3315, 23525), (4705, 16575), (4875, 15997), (5525, 14115), (6375, 12233)]