28071225

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:496

約数の個数: 96

約数和(自身を含む): 63607040

約数和(自身を除く): 35535815

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 27, 35, 39, 45, 63, 65, 75, 91, 105, 117, 135, 175, 189, 195, 225, 273, 315, 325, 351, 455, 457, 525, 585, 675, 819, 945, 975, 1365, 1371, 1575, 1755, 2275, 2285, 2457, 2925, 3199, 4095, 4113, 4725, 5941, 6825, 6855, 8775, 9597, 11425, 12285, 12339, 15995, 17823, 20475, 20565, 28791, 29705, 34275, 41587, 47985, 53469, 61425, 61695, 79975, 86373, 89115, 102825, 124761, 143955, 148525, 160407, 207935, 239925, 267345, 308475, 374283, 431865, 445575, 623805, 719775, 802035, 1039675, 1122849, 1336725, 1871415, 2159325, 3119025, 4010175, 5614245, 9357075, 28071225]

約数ペア:

[(1, 28071225), (3, 9357075), (5, 5614245), (7, 4010175), (9, 3119025), (13, 2159325), (15, 1871415), (21, 1336725), (25, 1122849), (27, 1039675), (35, 802035), (39, 719775), (45, 623805), (63, 445575), (65, 431865), (75, 374283), (91, 308475), (105, 267345), (117, 239925), (135, 207935), (175, 160407), (189, 148525), (195, 143955), (225, 124761), (273, 102825), (315, 89115), (325, 86373), (351, 79975), (455, 61695), (457, 61425), (525, 53469), (585, 47985), (675, 41587), (819, 34275), (945, 29705), (975, 28791), (1365, 20565), (1371, 20475), (1575, 17823), (1755, 15995), (2275, 12339), (2285, 12285), (2457, 11425), (2925, 9597), (3199, 8775), (4095, 6855), (4113, 6825), (4725, 5941)]