15420645

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1109}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 27705600

約数和(自身を除く): 12284955

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1109, 1545, 2781, 3327, 4635, 5545, 9981, 13905, 16635, 29943, 49905, 114227, 149715, 342681, 571135, 1028043, 1713405, 3084129, 5140215, 15420645]

約数ペア:

[(1, 15420645), (3, 5140215), (5, 3084129), (9, 1713405), (15, 1028043), (27, 571135), (45, 342681), (103, 149715), (135, 114227), (309, 49905), (515, 29943), (927, 16635), (1109, 13905), (1545, 9981), (2781, 5545), (3327, 4635)]