221304015

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{569}}^1$

素因数の和:693

約数の個数: 64

約数和(自身を含む): 409305600

約数和(自身を除く): 188001585

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 67, 129, 135, 201, 215, 335, 387, 569, 603, 645, 1005, 1161, 1707, 1809, 1935, 2845, 2881, 3015, 5121, 5805, 8535, 8643, 9045, 14405, 15363, 24467, 25605, 25929, 38123, 43215, 73401, 76815, 77787, 114369, 122335, 129645, 190615, 220203, 343107, 367005, 388935, 571845, 660609, 1029321, 1101015, 1639289, 1715535, 3303045, 4917867, 5146605, 8196445, 14753601, 24589335, 44260803, 73768005, 221304015]

約数ペア:

[(1, 221304015), (3, 73768005), (5, 44260803), (9, 24589335), (15, 14753601), (27, 8196445), (43, 5146605), (45, 4917867), (67, 3303045), (129, 1715535), (135, 1639289), (201, 1101015), (215, 1029321), (335, 660609), (387, 571845), (569, 388935), (603, 367005), (645, 343107), (1005, 220203), (1161, 190615), (1707, 129645), (1809, 122335), (1935, 114369), (2845, 77787), (2881, 76815), (3015, 73401), (5121, 43215), (5805, 38123), (8535, 25929), (8643, 25605), (9045, 24467), (14405, 15363)]