978390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{1553}}^1$

素因数の和:1573

約数の個数: 48

約数和(自身を含む): 2909088

約数和(自身を除く): 1930698

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 1553, 3106, 4659, 7765, 9318, 10871, 13977, 15530, 21742, 23295, 27954, 32613, 46590, 54355, 65226, 69885, 97839, 108710, 139770, 163065, 195678, 326130, 489195, 978390]

約数ペア:

[(1, 978390), (2, 489195), (3, 326130), (5, 195678), (6, 163065), (7, 139770), (9, 108710), (10, 97839), (14, 69885), (15, 65226), (18, 54355), (21, 46590), (30, 32613), (35, 27954), (42, 23295), (45, 21742), (63, 15530), (70, 13977), (90, 10871), (105, 9318), (126, 7765), (210, 4659), (315, 3106), (630, 1553)]