28549311

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 47305440

約数和(自身を除く): 18756129

約数列:

[1, 3, 7, 21, 29, 37, 49, 87, 111, 147, 181, 203, 259, 543, 609, 777, 1073, 1267, 1421, 1813, 3219, 3801, 4263, 5249, 5439, 6697, 7511, 8869, 15747, 20091, 22533, 26607, 36743, 46879, 52577, 110229, 140637, 157731, 194213, 257201, 328153, 582639, 771603, 984459, 1359491, 4078473, 9516437, 28549311]

約数ペア:

[(1, 28549311), (3, 9516437), (7, 4078473), (21, 1359491), (29, 984459), (37, 771603), (49, 582639), (87, 328153), (111, 257201), (147, 194213), (181, 157731), (203, 140637), (259, 110229), (543, 52577), (609, 46879), (777, 36743), (1073, 26607), (1267, 22533), (1421, 20091), (1813, 15747), (3219, 8869), (3801, 7511), (4263, 6697), (5249, 5439)]