28113615

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 25108785

約数列:

[1, 3, 5, 9, 15, 27, 29, 43, 45, 87, 129, 135, 145, 167, 215, 261, 387, 435, 501, 645, 783, 835, 1161, 1247, 1305, 1503, 1935, 2505, 3741, 3915, 4509, 4843, 5805, 6235, 7181, 7515, 11223, 14529, 18705, 21543, 22545, 24215, 33669, 35905, 43587, 56115, 64629, 72645, 107715, 130761, 168345, 193887, 208249, 217935, 323145, 624747, 653805, 969435, 1041245, 1874241, 3123735, 5622723, 9371205, 28113615]

約数ペア:

[(1, 28113615), (3, 9371205), (5, 5622723), (9, 3123735), (15, 1874241), (27, 1041245), (29, 969435), (43, 653805), (45, 624747), (87, 323145), (129, 217935), (135, 208249), (145, 193887), (167, 168345), (215, 130761), (261, 107715), (387, 72645), (435, 64629), (501, 56115), (645, 43587), (783, 35905), (835, 33669), (1161, 24215), (1247, 22545), (1305, 21543), (1503, 18705), (1935, 14529), (2505, 11223), (3741, 7515), (3915, 7181), (4509, 6235), (4843, 5805)]