31101195

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 55987200

約数和(自身を除く): 24886005

約数列:

[1, 3, 5, 15, 19, 29, 53, 57, 71, 87, 95, 145, 159, 213, 265, 285, 355, 435, 551, 795, 1007, 1065, 1349, 1537, 1653, 2059, 2755, 3021, 3763, 4047, 4611, 5035, 6177, 6745, 7685, 8265, 10295, 11289, 15105, 18815, 20235, 23055, 29203, 30885, 39121, 56445, 71497, 87609, 109127, 117363, 146015, 195605, 214491, 327381, 357485, 438045, 545635, 586815, 1072455, 1636905, 2073413, 6220239, 10367065, 31101195]

約数ペア:

[(1, 31101195), (3, 10367065), (5, 6220239), (15, 2073413), (19, 1636905), (29, 1072455), (53, 586815), (57, 545635), (71, 438045), (87, 357485), (95, 327381), (145, 214491), (159, 195605), (213, 146015), (265, 117363), (285, 109127), (355, 87609), (435, 71497), (551, 56445), (795, 39121), (1007, 30885), (1065, 29203), (1349, 23055), (1537, 20235), (1653, 18815), (2059, 15105), (2755, 11289), (3021, 10295), (3763, 8265), (4047, 7685), (4611, 6745), (5035, 6177)]