71949105

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 135989568

約数和(自身を除く): 64040463

約数列:

[1, 3, 5, 9, 15, 19, 43, 45, 57, 95, 103, 129, 171, 215, 285, 309, 361, 387, 515, 645, 817, 855, 927, 1083, 1545, 1805, 1935, 1957, 2451, 3249, 4085, 4429, 4635, 5415, 5871, 7353, 9785, 12255, 13287, 15523, 16245, 17613, 22145, 29355, 36765, 37183, 39861, 46569, 66435, 77615, 84151, 88065, 111549, 139707, 185915, 199305, 232845, 252453, 334647, 420755, 557745, 698535, 757359, 1262265, 1598869, 1673235, 3786795, 4796607, 7994345, 14389821, 23983035, 71949105]

約数ペア:

[(1, 71949105), (3, 23983035), (5, 14389821), (9, 7994345), (15, 4796607), (19, 3786795), (43, 1673235), (45, 1598869), (57, 1262265), (95, 757359), (103, 698535), (129, 557745), (171, 420755), (215, 334647), (285, 252453), (309, 232845), (361, 199305), (387, 185915), (515, 139707), (645, 111549), (817, 88065), (855, 84151), (927, 77615), (1083, 66435), (1545, 46569), (1805, 39861), (1935, 37183), (1957, 36765), (2451, 29355), (3249, 22145), (4085, 17613), (4429, 16245), (4635, 15523), (5415, 13287), (5871, 12255), (7353, 9785)]