42278895

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 80870400

約数和(自身を除く): 38591505

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 53, 57, 95, 135, 159, 171, 265, 285, 311, 477, 513, 795, 855, 933, 1007, 1431, 1555, 2385, 2565, 2799, 3021, 4665, 5035, 5909, 7155, 8397, 9063, 13995, 15105, 16483, 17727, 27189, 29545, 41985, 45315, 49449, 53181, 82415, 88635, 135945, 148347, 159543, 247245, 265905, 313177, 445041, 741735, 797715, 939531, 1565885, 2225205, 2818593, 4697655, 8455779, 14092965, 42278895]

約数ペア:

[(1, 42278895), (3, 14092965), (5, 8455779), (9, 4697655), (15, 2818593), (19, 2225205), (27, 1565885), (45, 939531), (53, 797715), (57, 741735), (95, 445041), (135, 313177), (159, 265905), (171, 247245), (265, 159543), (285, 148347), (311, 135945), (477, 88635), (513, 82415), (795, 53181), (855, 49449), (933, 45315), (1007, 41985), (1431, 29545), (1555, 27189), (2385, 17727), (2565, 16483), (2799, 15105), (3021, 13995), (4665, 9063), (5035, 8397), (5909, 7155)]