67800075

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{971}}^1$

素因数の和:1017

約数の個数: 72

約数和(自身を含む): 137401920

約数和(自身を除く): 69601845

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 49, 57, 75, 95, 105, 133, 147, 175, 245, 285, 399, 475, 525, 665, 735, 931, 971, 1225, 1425, 1995, 2793, 2913, 3325, 3675, 4655, 4855, 6797, 9975, 13965, 14565, 18449, 20391, 23275, 24275, 33985, 47579, 55347, 69825, 72825, 92245, 101955, 129143, 142737, 169925, 237895, 276735, 387429, 461225, 509775, 645715, 713685, 904001, 1189475, 1383675, 1937145, 2712003, 3228575, 3568425, 4520005, 9685725, 13560015, 22600025, 67800075]

約数ペア:

[(1, 67800075), (3, 22600025), (5, 13560015), (7, 9685725), (15, 4520005), (19, 3568425), (21, 3228575), (25, 2712003), (35, 1937145), (49, 1383675), (57, 1189475), (75, 904001), (95, 713685), (105, 645715), (133, 509775), (147, 461225), (175, 387429), (245, 276735), (285, 237895), (399, 169925), (475, 142737), (525, 129143), (665, 101955), (735, 92245), (931, 72825), (971, 69825), (1225, 55347), (1425, 47579), (1995, 33985), (2793, 24275), (2913, 23275), (3325, 20391), (3675, 18449), (4655, 14565), (4855, 13965), (6797, 9975)]