68908815

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1051}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 126038016

約数和(自身を除く): 57129201

約数列:

[1, 3, 5, 9, 15, 31, 45, 47, 93, 141, 155, 235, 279, 423, 465, 705, 1051, 1395, 1457, 2115, 3153, 4371, 5255, 7285, 9459, 13113, 15765, 21855, 32581, 47295, 49397, 65565, 97743, 148191, 162905, 246985, 293229, 444573, 488715, 740955, 1466145, 1531307, 2222865, 4593921, 7656535, 13781763, 22969605, 68908815]

約数ペア:

[(1, 68908815), (3, 22969605), (5, 13781763), (9, 7656535), (15, 4593921), (31, 2222865), (45, 1531307), (47, 1466145), (93, 740955), (141, 488715), (155, 444573), (235, 293229), (279, 246985), (423, 162905), (465, 148191), (705, 97743), (1051, 65565), (1395, 49397), (1457, 47295), (2115, 32581), (3153, 21855), (4371, 15765), (5255, 13113), (7285, 9459)]