7381215

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 13759200

約数和(自身を除く): 6377985

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 89, 95, 97, 171, 267, 285, 291, 445, 485, 801, 855, 873, 1335, 1455, 1691, 1843, 4005, 4365, 5073, 5529, 8455, 8633, 9215, 15219, 16587, 25365, 25899, 27645, 43165, 76095, 77697, 82935, 129495, 164027, 388485, 492081, 820135, 1476243, 2460405, 7381215]

約数ペア:

[(1, 7381215), (3, 2460405), (5, 1476243), (9, 820135), (15, 492081), (19, 388485), (45, 164027), (57, 129495), (89, 82935), (95, 77697), (97, 76095), (171, 43165), (267, 27645), (285, 25899), (291, 25365), (445, 16587), (485, 15219), (801, 9215), (855, 8633), (873, 8455), (1335, 5529), (1455, 5073), (1691, 4365), (1843, 4005)]