31477761

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 57576960

約数和(自身を除く): 26099199

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 97, 101, 119, 153, 189, 291, 303, 357, 459, 679, 707, 873, 909, 1071, 1649, 1717, 2037, 2121, 2619, 2727, 3213, 4947, 5151, 6111, 6363, 9797, 11543, 12019, 14841, 15453, 18333, 19089, 29391, 34629, 36057, 44523, 46359, 68579, 88173, 103887, 108171, 166549, 205737, 264519, 311661, 324513, 499647, 617211, 1165843, 1498941, 1851633, 3497529, 4496823, 10492587, 31477761]

約数ペア:

[(1, 31477761), (3, 10492587), (7, 4496823), (9, 3497529), (17, 1851633), (21, 1498941), (27, 1165843), (51, 617211), (63, 499647), (97, 324513), (101, 311661), (119, 264519), (153, 205737), (189, 166549), (291, 108171), (303, 103887), (357, 88173), (459, 68579), (679, 46359), (707, 44523), (873, 36057), (909, 34629), (1071, 29391), (1649, 19089), (1717, 18333), (2037, 15453), (2121, 14841), (2619, 12019), (2727, 11543), (3213, 9797), (4947, 6363), (5151, 6111)]