80945991

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^2\times {\mathrm{191}}^1$

素因数の和:273

約数の個数: 54

約数和(自身を含む): 141276096

約数和(自身を除く): 60330105

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 147, 191, 217, 279, 441, 573, 651, 961, 1337, 1519, 1719, 1953, 2883, 4011, 4557, 5921, 6727, 8649, 9359, 12033, 13671, 17763, 20181, 28077, 41447, 47089, 53289, 60543, 84231, 124341, 141267, 183551, 290129, 373023, 423801, 550653, 870387, 1284857, 1651959, 2611161, 3854571, 8993999, 11563713, 26981997, 80945991]

約数ペア:

[(1, 80945991), (3, 26981997), (7, 11563713), (9, 8993999), (21, 3854571), (31, 2611161), (49, 1651959), (63, 1284857), (93, 870387), (147, 550653), (191, 423801), (217, 373023), (279, 290129), (441, 183551), (573, 141267), (651, 124341), (961, 84231), (1337, 60543), (1519, 53289), (1719, 47089), (1953, 41447), (2883, 28077), (4011, 20181), (4557, 17763), (5921, 13671), (6727, 12033), (8649, 9359)]