23115897

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 42254784

約数和(自身を除く): 19138887

約数列:

[1, 3, 7, 9, 21, 23, 43, 49, 53, 63, 69, 129, 147, 159, 161, 207, 301, 371, 387, 441, 477, 483, 903, 989, 1113, 1127, 1219, 1449, 2107, 2279, 2597, 2709, 2967, 3339, 3381, 3657, 6321, 6837, 6923, 7791, 8533, 8901, 10143, 10971, 15953, 18963, 20511, 20769, 23373, 25599, 47859, 48461, 52417, 59731, 62307, 76797, 111671, 143577, 145383, 157251, 179193, 335013, 366919, 436149, 471753, 537579, 1005039, 1100757, 2568433, 3302271, 7705299, 23115897]

約数ペア:

[(1, 23115897), (3, 7705299), (7, 3302271), (9, 2568433), (21, 1100757), (23, 1005039), (43, 537579), (49, 471753), (53, 436149), (63, 366919), (69, 335013), (129, 179193), (147, 157251), (159, 145383), (161, 143577), (207, 111671), (301, 76797), (371, 62307), (387, 59731), (441, 52417), (477, 48461), (483, 47859), (903, 25599), (989, 23373), (1113, 20769), (1127, 20511), (1219, 18963), (1449, 15953), (2107, 10971), (2279, 10143), (2597, 8901), (2709, 8533), (2967, 7791), (3339, 6923), (3381, 6837), (3657, 6321)]