74991315

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{397}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 140471712

約数和(自身を除く): 65480397

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 257, 397, 735, 771, 1191, 1285, 1799, 1985, 2779, 3855, 5397, 5955, 8337, 8995, 12593, 13895, 19453, 26985, 37779, 41685, 58359, 62965, 97265, 102029, 188895, 291795, 306087, 510145, 714203, 1530435, 2142609, 3571015, 4999421, 10713045, 14998263, 24997105, 74991315]

約数ペア:

[(1, 74991315), (3, 24997105), (5, 14998263), (7, 10713045), (15, 4999421), (21, 3571015), (35, 2142609), (49, 1530435), (105, 714203), (147, 510145), (245, 306087), (257, 291795), (397, 188895), (735, 102029), (771, 97265), (1191, 62965), (1285, 58359), (1799, 41685), (1985, 37779), (2779, 26985), (3855, 19453), (5397, 13895), (5955, 12593), (8337, 8995)]