201997845

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{569}}^1$

素因数の和:624

約数の個数: 96

約数和(自身を含む): 426816000

約数和(自身を除く): 224818155

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 49, 63, 69, 105, 115, 147, 161, 207, 245, 315, 343, 345, 441, 483, 569, 735, 805, 1029, 1035, 1127, 1449, 1707, 1715, 2205, 2415, 2845, 3087, 3381, 3983, 5121, 5145, 5635, 7245, 7889, 8535, 10143, 11949, 13087, 15435, 16905, 19915, 23667, 25605, 27881, 35847, 39261, 39445, 50715, 59745, 65435, 71001, 83643, 91609, 117783, 118335, 139405, 179235, 195167, 196305, 250929, 274827, 355005, 418215, 458045, 585501, 588915, 641263, 824481, 975835, 1254645, 1374135, 1756503, 1923789, 2927505, 3206315, 4122405, 4488841, 5771367, 8782515, 9618945, 13466523, 22444205, 28856835, 40399569, 67332615, 201997845]

約数ペア:

[(1, 201997845), (3, 67332615), (5, 40399569), (7, 28856835), (9, 22444205), (15, 13466523), (21, 9618945), (23, 8782515), (35, 5771367), (45, 4488841), (49, 4122405), (63, 3206315), (69, 2927505), (105, 1923789), (115, 1756503), (147, 1374135), (161, 1254645), (207, 975835), (245, 824481), (315, 641263), (343, 588915), (345, 585501), (441, 458045), (483, 418215), (569, 355005), (735, 274827), (805, 250929), (1029, 196305), (1035, 195167), (1127, 179235), (1449, 139405), (1707, 118335), (1715, 117783), (2205, 91609), (2415, 83643), (2845, 71001), (3087, 65435), (3381, 59745), (3983, 50715), (5121, 39445), (5145, 39261), (5635, 35847), (7245, 27881), (7889, 25605), (8535, 23667), (10143, 19915), (11949, 16905), (13087, 15435)]