28714959

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:102

約数の個数: 96

約数和(自身を含む): 56217600

約数和(自身を除く): 27502641

約数列:

[1, 3, 7, 9, 13, 21, 27, 29, 31, 39, 63, 87, 91, 93, 117, 169, 189, 203, 217, 261, 273, 279, 351, 377, 403, 507, 609, 651, 783, 819, 837, 899, 1131, 1183, 1209, 1521, 1827, 1953, 2457, 2639, 2697, 2821, 3393, 3549, 3627, 4563, 4901, 5239, 5481, 5859, 6293, 7917, 8091, 8463, 10179, 10647, 10881, 11687, 14703, 15717, 18879, 23751, 24273, 25389, 31941, 34307, 35061, 36673, 44109, 47151, 56637, 71253, 76167, 81809, 102921, 105183, 110019, 132327, 141453, 151931, 169911, 245427, 308763, 315549, 330057, 455793, 736281, 926289, 990171, 1063517, 1367379, 2208843, 3190551, 4102137, 9571653, 28714959]

約数ペア:

[(1, 28714959), (3, 9571653), (7, 4102137), (9, 3190551), (13, 2208843), (21, 1367379), (27, 1063517), (29, 990171), (31, 926289), (39, 736281), (63, 455793), (87, 330057), (91, 315549), (93, 308763), (117, 245427), (169, 169911), (189, 151931), (203, 141453), (217, 132327), (261, 110019), (273, 105183), (279, 102921), (351, 81809), (377, 76167), (403, 71253), (507, 56637), (609, 47151), (651, 44109), (783, 36673), (819, 35061), (837, 34307), (899, 31941), (1131, 25389), (1183, 24273), (1209, 23751), (1521, 18879), (1827, 15717), (1953, 14703), (2457, 11687), (2639, 10881), (2697, 10647), (2821, 10179), (3393, 8463), (3549, 8091), (3627, 7917), (4563, 6293), (4901, 5859), (5239, 5481)]