13643805

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 26758080

約数和(自身を除く): 13114275

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 977, 1995, 2793, 2931, 4655, 4885, 6839, 13965, 14655, 18563, 20517, 34195, 47873, 55689, 92815, 102585, 129941, 143619, 239365, 278445, 389823, 649705, 718095, 909587, 1949115, 2728761, 4547935, 13643805]

約数ペア:

[(1, 13643805), (3, 4547935), (5, 2728761), (7, 1949115), (15, 909587), (19, 718095), (21, 649705), (35, 389823), (49, 278445), (57, 239365), (95, 143619), (105, 129941), (133, 102585), (147, 92815), (245, 55689), (285, 47873), (399, 34195), (665, 20517), (735, 18563), (931, 14655), (977, 13965), (1995, 6839), (2793, 4885), (2931, 4655)]