291249465

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{51503}}^1$

素因数の和:51553

約数の個数: 32

約数和(自身を含む): 519160320

約数和(自身を除く): 227910855

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 145, 195, 377, 435, 1131, 1885, 5655, 51503, 154509, 257515, 669539, 772545, 1493587, 2008617, 3347695, 4480761, 7467935, 10043085, 19416631, 22403805, 58249893, 97083155, 291249465]

約数ペア:

[(1, 291249465), (3, 97083155), (5, 58249893), (13, 22403805), (15, 19416631), (29, 10043085), (39, 7467935), (65, 4480761), (87, 3347695), (145, 2008617), (195, 1493587), (377, 772545), (435, 669539), (1131, 257515), (1885, 154509), (5655, 51503)]