31220235621

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1\times {\mathrm{1951}}^1$

素因数の和:2287

約数の個数: 64

約数和(自身を含む): 48572006400

約数和(自身を除く): 17351770779

約数列:

[1, 3, 9, 27, 29, 87, 107, 191, 261, 321, 573, 783, 963, 1719, 1951, 2889, 3103, 5157, 5539, 5853, 9309, 16617, 17559, 20437, 27927, 49851, 52677, 56579, 61311, 83781, 149553, 169737, 183933, 208757, 372641, 509211, 551799, 592673, 626271, 1117923, 1527633, 1778019, 1878813, 3353769, 5334057, 5636439, 6053953, 10061307, 10806589, 16002171, 18161859, 32419767, 39872587, 54485577, 97259301, 119617761, 163456731, 291777903, 358853283, 1076559849, 1156305023, 3468915069, 10406745207, 31220235621]

約数ペア:

[(1, 31220235621), (3, 10406745207), (9, 3468915069), (27, 1156305023), (29, 1076559849), (87, 358853283), (107, 291777903), (191, 163456731), (261, 119617761), (321, 97259301), (573, 54485577), (783, 39872587), (963, 32419767), (1719, 18161859), (1951, 16002171), (2889, 10806589), (3103, 10061307), (5157, 6053953), (5539, 5636439), (5853, 5334057), (9309, 3353769), (16617, 1878813), (17559, 1778019), (20437, 1527633), (27927, 1117923), (49851, 626271), (52677, 592673), (56579, 551799), (61311, 509211), (83781, 372641), (149553, 208757), (169737, 183933)]