68598975

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 117849600

約数和(自身を除く): 49250625

約数列:

[1, 3, 5, 15, 25, 43, 75, 89, 129, 215, 239, 267, 445, 645, 717, 1075, 1195, 1335, 2225, 3225, 3585, 3827, 5975, 6675, 10277, 11481, 17925, 19135, 21271, 30831, 51385, 57405, 63813, 95675, 106355, 154155, 256925, 287025, 319065, 531775, 770775, 914653, 1595325, 2743959, 4573265, 13719795, 22866325, 68598975]

約数ペア:

[(1, 68598975), (3, 22866325), (5, 13719795), (15, 4573265), (25, 2743959), (43, 1595325), (75, 914653), (89, 770775), (129, 531775), (215, 319065), (239, 287025), (267, 256925), (445, 154155), (645, 106355), (717, 95675), (1075, 63813), (1195, 57405), (1335, 51385), (2225, 30831), (3225, 21271), (3585, 19135), (3827, 17925), (5975, 11481), (6675, 10277)]