15821325

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{601}}^1$

素因数の和:636

約数の個数: 60

約数和(自身を含む): 31613428

約数和(自身を除く): 15792103

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 325, 351, 405, 585, 601, 675, 975, 1053, 1755, 1803, 2025, 2925, 3005, 5265, 5409, 7813, 8775, 9015, 15025, 16227, 23439, 26325, 27045, 39065, 45075, 48681, 70317, 81135, 117195, 135225, 195325, 210951, 243405, 351585, 405675, 585975, 632853, 1054755, 1217025, 1757925, 3164265, 5273775, 15821325]

約数ペア:

[(1, 15821325), (3, 5273775), (5, 3164265), (9, 1757925), (13, 1217025), (15, 1054755), (25, 632853), (27, 585975), (39, 405675), (45, 351585), (65, 243405), (75, 210951), (81, 195325), (117, 135225), (135, 117195), (195, 81135), (225, 70317), (325, 48681), (351, 45075), (405, 39065), (585, 27045), (601, 26325), (675, 23439), (975, 16227), (1053, 15025), (1755, 9015), (1803, 8775), (2025, 7813), (2925, 5409), (3005, 5265)]