128517375

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{283}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 246684672

約数和(自身を除く): 118167297

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 173, 175, 283, 375, 519, 525, 849, 865, 875, 1211, 1415, 1981, 2595, 2625, 3633, 4245, 4325, 5943, 6055, 7075, 9905, 12975, 18165, 21225, 21625, 29715, 30275, 35375, 48959, 49525, 64875, 90825, 106125, 146877, 148575, 151375, 244795, 247625, 342713, 454125, 734385, 742875, 1028139, 1223975, 1713565, 3671925, 5140695, 6119875, 8567825, 18359625, 25703475, 42839125, 128517375]

約数ペア:

[(1, 128517375), (3, 42839125), (5, 25703475), (7, 18359625), (15, 8567825), (21, 6119875), (25, 5140695), (35, 3671925), (75, 1713565), (105, 1223975), (125, 1028139), (173, 742875), (175, 734385), (283, 454125), (375, 342713), (519, 247625), (525, 244795), (849, 151375), (865, 148575), (875, 146877), (1211, 106125), (1415, 90825), (1981, 64875), (2595, 49525), (2625, 48959), (3633, 35375), (4245, 30275), (4325, 29715), (5943, 21625), (6055, 21225), (7075, 18165), (9905, 12975)]