81542175

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7603}}^1$

素因数の和:7640

約数の個数: 48

約数和(自身を含む): 158406528

約数和(自身を除く): 76864353

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 275, 325, 429, 715, 825, 975, 2145, 3575, 7603, 10725, 22809, 38015, 83633, 98839, 114045, 190075, 250899, 296517, 418165, 494195, 570225, 1087229, 1254495, 1482585, 2090825, 2470975, 3261687, 5436145, 6272475, 7412925, 16308435, 27180725, 81542175]

約数ペア:

[(1, 81542175), (3, 27180725), (5, 16308435), (11, 7412925), (13, 6272475), (15, 5436145), (25, 3261687), (33, 2470975), (39, 2090825), (55, 1482585), (65, 1254495), (75, 1087229), (143, 570225), (165, 494195), (195, 418165), (275, 296517), (325, 250899), (429, 190075), (715, 114045), (825, 98839), (975, 83633), (2145, 38015), (3575, 22809), (7603, 10725)]