390973215

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{12659}}^1$

素因数の和:12767

約数の個数: 32

約数和(自身を含む): 656294400

約数和(自身を除く): 265321185

約数列:

[1, 3, 5, 15, 29, 71, 87, 145, 213, 355, 435, 1065, 2059, 6177, 10295, 12659, 30885, 37977, 63295, 189885, 367111, 898789, 1101333, 1835555, 2696367, 4493945, 5506665, 13481835, 26064881, 78194643, 130324405, 390973215]

約数ペア:

[(1, 390973215), (3, 130324405), (5, 78194643), (15, 26064881), (29, 13481835), (71, 5506665), (87, 4493945), (145, 2696367), (213, 1835555), (355, 1101333), (435, 898789), (1065, 367111), (2059, 189885), (6177, 63295), (10295, 37977), (12659, 30885)]