1561215

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:171

約数の個数: 32

約数和(自身を含む): 2681280

約数和(自身を除く): 1120065

約数列:

[1, 3, 5, 15, 29, 37, 87, 97, 111, 145, 185, 291, 435, 485, 555, 1073, 1455, 2813, 3219, 3589, 5365, 8439, 10767, 14065, 16095, 17945, 42195, 53835, 104081, 312243, 520405, 1561215]

約数ペア:

[(1, 1561215), (3, 520405), (5, 312243), (15, 104081), (29, 53835), (37, 42195), (87, 17945), (97, 16095), (111, 14065), (145, 10767), (185, 8439), (291, 5365), (435, 3589), (485, 3219), (555, 2813), (1073, 1455)]