13993665

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 26484480

約数和(自身を除く): 12490815

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 79, 105, 147, 237, 241, 245, 395, 553, 723, 735, 1185, 1205, 1659, 1687, 2765, 3615, 3871, 5061, 8295, 8435, 11613, 11809, 19039, 19355, 25305, 35427, 57117, 58065, 59045, 95195, 133273, 177135, 285585, 399819, 666365, 932911, 1999095, 2798733, 4664555, 13993665]

約数ペア:

[(1, 13993665), (3, 4664555), (5, 2798733), (7, 1999095), (15, 932911), (21, 666365), (35, 399819), (49, 285585), (79, 177135), (105, 133273), (147, 95195), (237, 59045), (241, 58065), (245, 57117), (395, 35427), (553, 25305), (723, 19355), (735, 19039), (1185, 11809), (1205, 11613), (1659, 8435), (1687, 8295), (2765, 5061), (3615, 3871)]