27785905

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 42086016

約数和(自身を除く): 14300111

約数列:

[1, 5, 7, 17, 35, 41, 67, 85, 119, 205, 287, 289, 335, 469, 595, 697, 1139, 1435, 1445, 2023, 2345, 2747, 3485, 4879, 5695, 7973, 10115, 11849, 13735, 19229, 19363, 24395, 39865, 46699, 59245, 82943, 96145, 96815, 135541, 233495, 326893, 414715, 677705, 793883, 1634465, 3969415, 5557181, 27785905]

約数ペア:

[(1, 27785905), (5, 5557181), (7, 3969415), (17, 1634465), (35, 793883), (41, 677705), (67, 414715), (85, 326893), (119, 233495), (205, 135541), (287, 96815), (289, 96145), (335, 82943), (469, 59245), (595, 46699), (697, 39865), (1139, 24395), (1435, 19363), (1445, 19229), (2023, 13735), (2345, 11849), (2747, 10115), (3485, 7973), (4879, 5695)]