38808735

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 76416000

約数和(自身を除く): 37607265

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 343, 397, 399, 665, 735, 931, 1029, 1191, 1715, 1985, 1995, 2779, 2793, 4655, 5145, 5955, 6517, 7543, 8337, 13895, 13965, 19453, 19551, 22629, 32585, 37715, 41685, 52801, 58359, 97265, 97755, 113145, 136171, 158403, 264005, 291795, 369607, 408513, 680855, 792015, 1108821, 1848035, 2042565, 2587249, 5544105, 7761747, 12936245, 38808735]

約数ペア:

[(1, 38808735), (3, 12936245), (5, 7761747), (7, 5544105), (15, 2587249), (19, 2042565), (21, 1848035), (35, 1108821), (49, 792015), (57, 680855), (95, 408513), (105, 369607), (133, 291795), (147, 264005), (245, 158403), (285, 136171), (343, 113145), (397, 97755), (399, 97265), (665, 58359), (735, 52801), (931, 41685), (1029, 37715), (1191, 32585), (1715, 22629), (1985, 19551), (1995, 19453), (2779, 13965), (2793, 13895), (4655, 8337), (5145, 7543), (5955, 6517)]