17908329

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 8219031

約数列:

[1, 3, 23, 53, 59, 69, 83, 159, 177, 249, 1219, 1357, 1909, 3127, 3657, 4071, 4399, 4897, 5727, 9381, 13197, 14691, 71921, 101177, 112631, 215763, 259541, 303531, 337893, 778623, 5969443, 17908329]

約数ペア:

[(1, 17908329), (3, 5969443), (23, 778623), (53, 337893), (59, 303531), (69, 259541), (83, 215763), (159, 112631), (177, 101177), (249, 71921), (1219, 14691), (1357, 13197), (1909, 9381), (3127, 5727), (3657, 4897), (4071, 4399)]