31997835

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^2\times {\mathrm{47}}^1$

素因数の和:146

約数の個数: 60

約数和(自身を含む): 60043104

約数和(自身を除く): 28045269

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 47, 81, 123, 135, 141, 205, 235, 369, 405, 423, 615, 705, 1107, 1269, 1681, 1845, 1927, 2115, 3321, 3807, 5043, 5535, 5781, 6345, 8405, 9635, 15129, 16605, 17343, 19035, 25215, 28905, 45387, 52029, 75645, 79007, 86715, 136161, 156087, 226935, 237021, 260145, 395035, 680805, 711063, 780435, 1185105, 2133189, 3555315, 6399567, 10665945, 31997835]

約数ペア:

[(1, 31997835), (3, 10665945), (5, 6399567), (9, 3555315), (15, 2133189), (27, 1185105), (41, 780435), (45, 711063), (47, 680805), (81, 395035), (123, 260145), (135, 237021), (141, 226935), (205, 156087), (235, 136161), (369, 86715), (405, 79007), (423, 75645), (615, 52029), (705, 45387), (1107, 28905), (1269, 25215), (1681, 19035), (1845, 17343), (1927, 16605), (2115, 15129), (3321, 9635), (3807, 8405), (5043, 6345), (5535, 5781)]