219618975

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{41243}}^1$

素因数の和:41327

約数の個数: 24

約数和(自身を含む): 368226432

約数和(自身を除く): 148607457

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 5325, 41243, 123729, 206215, 618645, 1031075, 2928253, 3093225, 8784759, 14641265, 43923795, 73206325, 219618975]

約数ペア:

[(1, 219618975), (3, 73206325), (5, 43923795), (15, 14641265), (25, 8784759), (71, 3093225), (75, 2928253), (213, 1031075), (355, 618645), (1065, 206215), (1775, 123729), (5325, 41243)]