638756415

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{430139}}^1$

素因数の和:430164

約数の個数: 32

約数和(自身を含む): 1238803200

約数和(自身を除く): 600046785

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 430139, 1290417, 2150695, 3871251, 4731529, 6452085, 11613753, 14194587, 19356255, 23657645, 42583761, 58068765, 70972935, 127751283, 212918805, 638756415]

約数ペア:

[(1, 638756415), (3, 212918805), (5, 127751283), (9, 70972935), (11, 58068765), (15, 42583761), (27, 23657645), (33, 19356255), (45, 14194587), (55, 11613753), (99, 6452085), (135, 4731529), (165, 3871251), (297, 2150695), (495, 1290417), (1485, 430139)]