215161605

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 422547840

約数和(自身を除く): 207386235

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 113, 131, 153, 171, 255, 285, 323, 339, 393, 565, 655, 765, 855, 969, 1017, 1179, 1615, 1695, 1921, 1965, 2147, 2227, 2489, 2907, 4845, 5085, 5763, 5895, 6441, 6681, 7467, 9605, 10735, 11135, 12445, 14535, 14803, 17289, 19323, 20043, 22401, 28815, 32205, 33405, 36499, 37335, 42313, 44409, 74015, 86445, 96615, 100215, 109497, 112005, 126939, 133227, 182495, 211565, 222045, 251651, 281257, 328491, 380817, 547485, 634695, 666135, 754953, 843771, 1258255, 1406285, 1642455, 1904085, 2264859, 2531313, 3774765, 4218855, 4781369, 11324295, 12656565, 14344107, 23906845, 43032321, 71720535, 215161605]

約数ペア:

[(1, 215161605), (3, 71720535), (5, 43032321), (9, 23906845), (15, 14344107), (17, 12656565), (19, 11324295), (45, 4781369), (51, 4218855), (57, 3774765), (85, 2531313), (95, 2264859), (113, 1904085), (131, 1642455), (153, 1406285), (171, 1258255), (255, 843771), (285, 754953), (323, 666135), (339, 634695), (393, 547485), (565, 380817), (655, 328491), (765, 281257), (855, 251651), (969, 222045), (1017, 211565), (1179, 182495), (1615, 133227), (1695, 126939), (1921, 112005), (1965, 109497), (2147, 100215), (2227, 96615), (2489, 86445), (2907, 74015), (4845, 44409), (5085, 42313), (5763, 37335), (5895, 36499), (6441, 33405), (6681, 32205), (7467, 28815), (9605, 22401), (10735, 20043), (11135, 19323), (12445, 17289), (14535, 14803)]