215871390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{342653}}^1$

素因数の和:342673

約数の個数: 48

約数和(自身を含む): 641448288

約数和(自身を除く): 425576898

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, 342653, 685306, 1027959, 1713265, 2055918, 2398571, 3083877, 3426530, 4797142, 5139795, 6167754, 7195713, 10279590, 11992855, 14391426, 15419385, 21587139, 23985710, 30838770, 35978565, 43174278, 71957130, 107935695, 215871390]

約数ペア:

[(1, 215871390), (2, 107935695), (3, 71957130), (5, 43174278), (6, 35978565), (7, 30838770), (9, 23985710), (10, 21587139), (14, 15419385), (15, 14391426), (18, 11992855), (21, 10279590), (30, 7195713), (35, 6167754), (42, 5139795), (45, 4797142), (63, 3426530), (70, 3083877), (90, 2398571), (105, 2055918), (126, 1713265), (210, 1027959), (315, 685306), (630, 342653)]