13215705

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 21859200

約数和(自身を除く): 8643495

約数列:

[1, 3, 5, 15, 59, 109, 137, 177, 295, 327, 411, 545, 685, 885, 1635, 2055, 6431, 8083, 14933, 19293, 24249, 32155, 40415, 44799, 74665, 96465, 121245, 223995, 881047, 2643141, 4405235, 13215705]

約数ペア:

[(1, 13215705), (3, 4405235), (5, 2643141), (15, 881047), (59, 223995), (109, 121245), (137, 96465), (177, 74665), (295, 44799), (327, 40415), (411, 32155), (545, 24249), (685, 19293), (885, 14933), (1635, 8083), (2055, 6431)]