16987341

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 26784000

約数和(自身を除く): 9796659

約数列:

[1, 3, 7, 21, 61, 89, 149, 183, 267, 427, 447, 623, 1043, 1281, 1869, 3129, 5429, 9089, 13261, 16287, 27267, 38003, 39783, 63623, 92827, 114009, 190869, 278481, 808921, 2426763, 5662447, 16987341]

約数ペア:

[(1, 16987341), (3, 5662447), (7, 2426763), (21, 808921), (61, 278481), (89, 190869), (149, 114009), (183, 92827), (267, 63623), (427, 39783), (447, 38003), (623, 27267), (1043, 16287), (1281, 13261), (1869, 9089), (3129, 5429)]