201217857

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 281829888

約数和(自身を除く): 80612031

約数列:

[1, 3, 47, 73, 113, 141, 173, 219, 339, 519, 3431, 5311, 8131, 8249, 10293, 12629, 15933, 19549, 24393, 24747, 37887, 58647, 387703, 593563, 918803, 1163109, 1427077, 1780689, 2756409, 4281231, 67072619, 201217857]

約数ペア:

[(1, 201217857), (3, 67072619), (47, 4281231), (73, 2756409), (113, 1780689), (141, 1427077), (173, 1163109), (219, 918803), (339, 593563), (519, 387703), (3431, 58647), (5311, 37887), (8131, 24747), (8249, 24393), (10293, 19549), (12629, 15933)]