31131450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{9883}}^1$

素因数の和:9908

約数の個数: 72

約数和(自身を含む): 95598048

約数和(自身を除く): 64466598

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 9883, 19766, 29649, 49415, 59298, 69181, 88947, 98830, 138362, 148245, 177894, 207543, 247075, 296490, 345905, 415086, 444735, 494150, 622629, 691810, 741225, 889470, 1037715, 1245258, 1482450, 1729525, 2075430, 2223675, 3113145, 3459050, 4447350, 5188575, 6226290, 10377150, 15565725, 31131450]

約数ペア:

[(1, 31131450), (2, 15565725), (3, 10377150), (5, 6226290), (6, 5188575), (7, 4447350), (9, 3459050), (10, 3113145), (14, 2223675), (15, 2075430), (18, 1729525), (21, 1482450), (25, 1245258), (30, 1037715), (35, 889470), (42, 741225), (45, 691810), (50, 622629), (63, 494150), (70, 444735), (75, 415086), (90, 345905), (105, 296490), (126, 247075), (150, 207543), (175, 177894), (210, 148245), (225, 138362), (315, 98830), (350, 88947), (450, 69181), (525, 59298), (630, 49415), (1050, 29649), (1575, 19766), (3150, 9883)]