2021808915

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{35461}}^1$

素因数の和:35660

約数の個数: 48

約数和(自身を含む): 4027348416

約数和(自身を除く): 2005539501

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 181, 315, 543, 905, 1267, 1629, 2715, 3801, 6335, 8145, 11403, 19005, 35461, 57015, 106383, 177305, 248227, 319149, 531915, 744681, 1241135, 1595745, 2234043, 3723405, 6418441, 11170215, 19255323, 32092205, 44929087, 57765969, 96276615, 134787261, 224645435, 288829845, 404361783, 673936305, 2021808915]

約数ペア:

[(1, 2021808915), (3, 673936305), (5, 404361783), (7, 288829845), (9, 224645435), (15, 134787261), (21, 96276615), (35, 57765969), (45, 44929087), (63, 32092205), (105, 19255323), (181, 11170215), (315, 6418441), (543, 3723405), (905, 2234043), (1267, 1595745), (1629, 1241135), (2715, 744681), (3801, 531915), (6335, 319149), (8145, 248227), (11403, 177305), (19005, 106383), (35461, 57015)]