51581865

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^2$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 91022400

約数和(自身を除く): 39440535

約数列:

[1, 3, 5, 15, 19, 29, 57, 79, 87, 95, 145, 237, 285, 395, 435, 551, 1185, 1501, 1653, 2291, 2755, 4503, 6241, 6873, 7505, 8265, 11455, 18723, 22515, 31205, 34365, 43529, 93615, 118579, 130587, 180989, 217645, 355737, 542967, 592895, 652935, 904945, 1778685, 2714835, 3438791, 10316373, 17193955, 51581865]

約数ペア:

[(1, 51581865), (3, 17193955), (5, 10316373), (15, 3438791), (19, 2714835), (29, 1778685), (57, 904945), (79, 652935), (87, 592895), (95, 542967), (145, 355737), (237, 217645), (285, 180989), (395, 130587), (435, 118579), (551, 93615), (1185, 43529), (1501, 34365), (1653, 31205), (2291, 22515), (2755, 18723), (4503, 11455), (6241, 8265), (6873, 7505)]