312021855

素因数分解:

$3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{18199}}^1$

素因数の和:18340

約数の個数: 32

約数和(自身を含む): 559104000

約数和(自身を除く): 247082145

約数列:

[1, 3, 5, 9, 15, 27, 45, 127, 135, 381, 635, 1143, 1905, 3429, 5715, 17145, 18199, 54597, 90995, 163791, 272985, 491373, 818955, 2311273, 2456865, 6933819, 11556365, 20801457, 34669095, 62404371, 104007285, 312021855]

約数ペア:

[(1, 312021855), (3, 104007285), (5, 62404371), (9, 34669095), (15, 20801457), (27, 11556365), (45, 6933819), (127, 2456865), (135, 2311273), (381, 818955), (635, 491373), (1143, 272985), (1905, 163791), (3429, 90995), (5715, 54597), (17145, 18199)]