15528717351

素因数分解:

$3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{379}}^1\times {\mathrm{1753}}^1$

素因数の和:2205

約数の個数: 72

約数和(自身を含む): 26670131280

約数和(自身を除く): 11141413929

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 147, 159, 371, 379, 441, 477, 1113, 1137, 1753, 2597, 2653, 3339, 3411, 5259, 7791, 7959, 12271, 15777, 18571, 20087, 23373, 23877, 36813, 55713, 60261, 85897, 92909, 110439, 140609, 167139, 180783, 257691, 278727, 421827, 650363, 664387, 773073, 836181, 984263, 1265481, 1951089, 1993161, 2952789, 4552541, 4650709, 5853267, 5979483, 8858367, 13657623, 13952127, 32554963, 35212511, 40972869, 41856381, 97664889, 105637533, 246487577, 292994667, 316912599, 739462731, 1725413039, 2218388193, 5176239117, 15528717351]

約数ペア:

[(1, 15528717351), (3, 5176239117), (7, 2218388193), (9, 1725413039), (21, 739462731), (49, 316912599), (53, 292994667), (63, 246487577), (147, 105637533), (159, 97664889), (371, 41856381), (379, 40972869), (441, 35212511), (477, 32554963), (1113, 13952127), (1137, 13657623), (1753, 8858367), (2597, 5979483), (2653, 5853267), (3339, 4650709), (3411, 4552541), (5259, 2952789), (7791, 1993161), (7959, 1951089), (12271, 1265481), (15777, 984263), (18571, 836181), (20087, 773073), (23373, 664387), (23877, 650363), (36813, 421827), (55713, 278727), (60261, 257691), (85897, 180783), (92909, 167139), (110439, 140609)]