15998475

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 28371200

約数和(自身を除く): 12372725

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 103, 109, 285, 309, 327, 475, 515, 545, 1425, 1545, 1635, 1957, 2071, 2575, 2725, 5871, 6213, 7725, 8175, 9785, 10355, 11227, 29355, 31065, 33681, 48925, 51775, 56135, 146775, 155325, 168405, 213313, 280675, 639939, 842025, 1066565, 3199695, 5332825, 15998475]

約数ペア:

[(1, 15998475), (3, 5332825), (5, 3199695), (15, 1066565), (19, 842025), (25, 639939), (57, 280675), (75, 213313), (95, 168405), (103, 155325), (109, 146775), (285, 56135), (309, 51775), (327, 48925), (475, 33681), (515, 31065), (545, 29355), (1425, 11227), (1545, 10355), (1635, 9785), (1957, 8175), (2071, 7725), (2575, 6213), (2725, 5871)]