25641945

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 53618760

約数和(自身を除く): 27976815

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 49, 63, 87, 105, 145, 147, 203, 245, 261, 315, 401, 435, 441, 609, 735, 1015, 1203, 1305, 1421, 1827, 2005, 2205, 2807, 3045, 3609, 4263, 6015, 7105, 8421, 9135, 11629, 12789, 14035, 18045, 19649, 21315, 25263, 34887, 42105, 58145, 58947, 63945, 81403, 98245, 104661, 126315, 174435, 176841, 244209, 294735, 407015, 523305, 569821, 732627, 884205, 1221045, 1709463, 2849105, 3663135, 5128389, 8547315, 25641945]

約数ペア:

[(1, 25641945), (3, 8547315), (5, 5128389), (7, 3663135), (9, 2849105), (15, 1709463), (21, 1221045), (29, 884205), (35, 732627), (45, 569821), (49, 523305), (63, 407015), (87, 294735), (105, 244209), (145, 176841), (147, 174435), (203, 126315), (245, 104661), (261, 98245), (315, 81403), (401, 63945), (435, 58947), (441, 58145), (609, 42105), (735, 34887), (1015, 25263), (1203, 21315), (1305, 19649), (1421, 18045), (1827, 14035), (2005, 12789), (2205, 11629), (2807, 9135), (3045, 8421), (3609, 7105), (4263, 6015)]