9991515

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 16773120

約数和(自身を除く): 6781605

約数列:

[1, 3, 5, 15, 29, 87, 103, 145, 223, 309, 435, 515, 669, 1115, 1545, 2987, 3345, 6467, 8961, 14935, 19401, 22969, 32335, 44805, 68907, 97005, 114845, 344535, 666101, 1998303, 3330505, 9991515]

約数ペア:

[(1, 9991515), (3, 3330505), (5, 1998303), (15, 666101), (29, 344535), (87, 114845), (103, 97005), (145, 68907), (223, 44805), (309, 32335), (435, 22969), (515, 19401), (669, 14935), (1115, 8961), (1545, 6467), (2987, 3345)]