15061221

素因数分解:

$3^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:383

約数の個数: 40

約数和(自身を含む): 26066304

約数和(自身を除く): 11005083

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 101, 189, 263, 303, 567, 707, 789, 909, 1841, 2121, 2367, 2727, 5523, 6363, 7101, 8181, 16569, 19089, 21303, 26563, 49707, 57267, 79689, 149121, 185941, 239067, 557823, 717201, 1673469, 2151603, 5020407, 15061221]

約数ペア:

[(1, 15061221), (3, 5020407), (7, 2151603), (9, 1673469), (21, 717201), (27, 557823), (63, 239067), (81, 185941), (101, 149121), (189, 79689), (263, 57267), (303, 49707), (567, 26563), (707, 21303), (789, 19089), (909, 16569), (1841, 8181), (2121, 7101), (2367, 6363), (2727, 5523)]