2220201981

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{14107}}^1$

素因数の和:14215

約数の個数: 40

約数和(自身を含む): 3482418720

約数和(自身を除く): 1262216739

約数列:

[1, 3, 9, 27, 29, 67, 81, 87, 201, 261, 603, 783, 1809, 1943, 2349, 5427, 5829, 14107, 17487, 42321, 52461, 126963, 157383, 380889, 409103, 945169, 1142667, 1227309, 2835507, 3681927, 8506521, 11045781, 25519563, 27409901, 33137343, 76558689, 82229703, 246689109, 740067327, 2220201981]

約数ペア:

[(1, 2220201981), (3, 740067327), (9, 246689109), (27, 82229703), (29, 76558689), (67, 33137343), (81, 27409901), (87, 25519563), (201, 11045781), (261, 8506521), (603, 3681927), (783, 2835507), (1809, 1227309), (1943, 1142667), (2349, 945169), (5427, 409103), (5829, 380889), (14107, 157383), (17487, 126963), (42321, 52461)]