216630225

素因数分解:

$3^2\times 5^2\times 7^4\times {\mathrm{401}}^1$

素因数の和:445

約数の個数: 90

約数和(自身を含む): 453778806

約数和(自身を除く): 237148581

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 225, 245, 315, 343, 401, 441, 525, 735, 1029, 1203, 1225, 1575, 1715, 2005, 2205, 2401, 2807, 3087, 3609, 3675, 5145, 6015, 7203, 8421, 8575, 10025, 11025, 12005, 14035, 15435, 18045, 19649, 21609, 25263, 25725, 30075, 36015, 42105, 58947, 60025, 70175, 77175, 90225, 98245, 108045, 126315, 137543, 176841, 180075, 210525, 294735, 412629, 491225, 540225, 631575, 687715, 884205, 962801, 1237887, 1473675, 2063145, 2888403, 3438575, 4421025, 4814005, 6189435, 8665209, 10315725, 14442015, 24070025, 30947175, 43326045, 72210075, 216630225]

約数ペア:

[(1, 216630225), (3, 72210075), (5, 43326045), (7, 30947175), (9, 24070025), (15, 14442015), (21, 10315725), (25, 8665209), (35, 6189435), (45, 4814005), (49, 4421025), (63, 3438575), (75, 2888403), (105, 2063145), (147, 1473675), (175, 1237887), (225, 962801), (245, 884205), (315, 687715), (343, 631575), (401, 540225), (441, 491225), (525, 412629), (735, 294735), (1029, 210525), (1203, 180075), (1225, 176841), (1575, 137543), (1715, 126315), (2005, 108045), (2205, 98245), (2401, 90225), (2807, 77175), (3087, 70175), (3609, 60025), (3675, 58947), (5145, 42105), (6015, 36015), (7203, 30075), (8421, 25725), (8575, 25263), (10025, 21609), (11025, 19649), (12005, 18045), (14035, 15435)]