163980915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67901}}^1$

素因数の和:67939

約数の個数: 32

約数和(自身を含む): 312892416

約数和(自身を除く): 148911501

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 67901, 203703, 339505, 475307, 1018515, 1425921, 1561723, 2376535, 4685169, 7129605, 7808615, 10932061, 23425845, 32796183, 54660305, 163980915]

約数ペア:

[(1, 163980915), (3, 54660305), (5, 32796183), (7, 23425845), (15, 10932061), (21, 7808615), (23, 7129605), (35, 4685169), (69, 2376535), (105, 1561723), (115, 1425921), (161, 1018515), (345, 475307), (483, 339505), (805, 203703), (2415, 67901)]