7964775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 17603040

約数和(自身を除く): 9638265

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 35, 39, 45, 63, 65, 75, 91, 105, 117, 175, 195, 225, 273, 315, 325, 389, 455, 525, 585, 819, 975, 1167, 1365, 1575, 1945, 2275, 2723, 2925, 3501, 4095, 5057, 5835, 6825, 8169, 9725, 13615, 15171, 17505, 20475, 24507, 25285, 29175, 35399, 40845, 45513, 68075, 75855, 87525, 106197, 122535, 126425, 176995, 204225, 227565, 318591, 379275, 530985, 612675, 884975, 1137825, 1592955, 2654925, 7964775]

約数ペア:

[(1, 7964775), (3, 2654925), (5, 1592955), (7, 1137825), (9, 884975), (13, 612675), (15, 530985), (21, 379275), (25, 318591), (35, 227565), (39, 204225), (45, 176995), (63, 126425), (65, 122535), (75, 106197), (91, 87525), (105, 75855), (117, 68075), (175, 45513), (195, 40845), (225, 35399), (273, 29175), (315, 25285), (325, 24507), (389, 20475), (455, 17505), (525, 15171), (585, 13615), (819, 9725), (975, 8169), (1167, 6825), (1365, 5835), (1575, 5057), (1945, 4095), (2275, 3501), (2723, 2925)]