1516515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 3290112

約数和(自身を除く): 1773597

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 55, 65, 77, 91, 101, 105, 143, 165, 195, 231, 273, 303, 385, 429, 455, 505, 707, 715, 1001, 1111, 1155, 1313, 1365, 1515, 2121, 2145, 3003, 3333, 3535, 3939, 5005, 5555, 6565, 7777, 9191, 10605, 14443, 15015, 16665, 19695, 23331, 27573, 38885, 43329, 45955, 72215, 101101, 116655, 137865, 216645, 303303, 505505, 1516515]

約数ペア:

[(1, 1516515), (3, 505505), (5, 303303), (7, 216645), (11, 137865), (13, 116655), (15, 101101), (21, 72215), (33, 45955), (35, 43329), (39, 38885), (55, 27573), (65, 23331), (77, 19695), (91, 16665), (101, 15015), (105, 14443), (143, 10605), (165, 9191), (195, 7777), (231, 6565), (273, 5555), (303, 5005), (385, 3939), (429, 3535), (455, 3333), (505, 3003), (707, 2145), (715, 2121), (1001, 1515), (1111, 1365), (1155, 1313)]