15501395

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 24208128

約数和(自身を除く): 8706733

約数列:

[1, 5, 7, 13, 31, 35, 49, 65, 91, 155, 157, 217, 245, 403, 455, 637, 785, 1085, 1099, 1519, 2015, 2041, 2821, 3185, 4867, 5495, 7595, 7693, 10205, 14105, 14287, 19747, 24335, 34069, 38465, 63271, 71435, 98735, 100009, 170345, 238483, 316355, 442897, 500045, 1192415, 2214485, 3100279, 15501395]

約数ペア:

[(1, 15501395), (5, 3100279), (7, 2214485), (13, 1192415), (31, 500045), (35, 442897), (49, 316355), (65, 238483), (91, 170345), (155, 100009), (157, 98735), (217, 71435), (245, 63271), (403, 38465), (455, 34069), (637, 24335), (785, 19747), (1085, 14287), (1099, 14105), (1519, 10205), (2015, 7693), (2041, 7595), (2821, 5495), (3185, 4867)]