1212996915

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 2335447296

約数和(自身を除く): 1122450381

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 47, 65, 117, 141, 157, 195, 235, 281, 423, 471, 585, 611, 705, 785, 843, 1405, 1413, 1833, 2041, 2115, 2355, 2529, 3055, 3653, 4215, 5499, 6123, 7065, 7379, 9165, 10205, 10959, 12645, 13207, 18265, 18369, 22137, 27495, 30615, 32877, 36895, 39621, 44117, 54795, 66035, 66411, 91845, 95927, 110685, 118863, 132351, 164385, 171691, 198105, 220585, 287781, 332055, 397053, 479635, 515073, 573521, 594315, 661755, 858455, 863343, 1438905, 1545219, 1720563, 1985265, 2073499, 2575365, 2867605, 4316715, 5161689, 6220497, 7726095, 8602815, 10367495, 18661491, 25808445, 26955487, 31102485, 80866461, 93307455, 134777435, 242599383, 404332305, 1212996915]

約数ペア:

[(1, 1212996915), (3, 404332305), (5, 242599383), (9, 134777435), (13, 93307455), (15, 80866461), (39, 31102485), (45, 26955487), (47, 25808445), (65, 18661491), (117, 10367495), (141, 8602815), (157, 7726095), (195, 6220497), (235, 5161689), (281, 4316715), (423, 2867605), (471, 2575365), (585, 2073499), (611, 1985265), (705, 1720563), (785, 1545219), (843, 1438905), (1405, 863343), (1413, 858455), (1833, 661755), (2041, 594315), (2115, 573521), (2355, 515073), (2529, 479635), (3055, 397053), (3653, 332055), (4215, 287781), (5499, 220585), (6123, 198105), (7065, 171691), (7379, 164385), (9165, 132351), (10205, 118863), (10959, 110685), (12645, 95927), (13207, 91845), (18265, 66411), (18369, 66035), (22137, 54795), (27495, 44117), (30615, 39621), (32877, 36895)]