28619955

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:301

約数の個数: 96

約数和(自身を含む): 63423360

約数和(自身を除く): 34803405

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 29, 35, 39, 45, 63, 65, 87, 91, 105, 117, 145, 195, 203, 241, 261, 273, 315, 377, 435, 455, 585, 609, 723, 819, 1015, 1131, 1205, 1305, 1365, 1687, 1827, 1885, 2169, 2639, 3045, 3133, 3393, 3615, 4095, 5061, 5655, 6989, 7917, 8435, 9135, 9399, 10845, 13195, 15183, 15665, 16965, 20967, 21931, 23751, 25305, 28197, 34945, 39585, 46995, 48923, 62901, 65793, 75915, 90857, 104835, 109655, 118755, 140985, 146769, 197379, 244615, 272571, 314505, 328965, 440307, 454285, 635999, 733845, 817713, 986895, 1362855, 1907997, 2201535, 3179995, 4088565, 5723991, 9539985, 28619955]

約数ペア:

[(1, 28619955), (3, 9539985), (5, 5723991), (7, 4088565), (9, 3179995), (13, 2201535), (15, 1907997), (21, 1362855), (29, 986895), (35, 817713), (39, 733845), (45, 635999), (63, 454285), (65, 440307), (87, 328965), (91, 314505), (105, 272571), (117, 244615), (145, 197379), (195, 146769), (203, 140985), (241, 118755), (261, 109655), (273, 104835), (315, 90857), (377, 75915), (435, 65793), (455, 62901), (585, 48923), (609, 46995), (723, 39585), (819, 34945), (1015, 28197), (1131, 25305), (1205, 23751), (1305, 21931), (1365, 20967), (1687, 16965), (1827, 15665), (1885, 15183), (2169, 13195), (2639, 10845), (3045, 9399), (3133, 9135), (3393, 8435), (3615, 7917), (4095, 6989), (5061, 5655)]