28821366

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4013}}^1$

素因数の和:4050

約数の個数: 64

約数和(自身を含む): 77068800

約数和(自身を除く): 48247434

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 114, 126, 133, 171, 189, 266, 342, 378, 399, 513, 798, 1026, 1197, 2394, 3591, 4013, 7182, 8026, 12039, 24078, 28091, 36117, 56182, 72234, 76247, 84273, 108351, 152494, 168546, 216702, 228741, 252819, 457482, 505638, 533729, 686223, 758457, 1067458, 1372446, 1516914, 1601187, 2058669, 3202374, 4117338, 4803561, 9607122, 14410683, 28821366]

約数ペア:

[(1, 28821366), (2, 14410683), (3, 9607122), (6, 4803561), (7, 4117338), (9, 3202374), (14, 2058669), (18, 1601187), (19, 1516914), (21, 1372446), (27, 1067458), (38, 758457), (42, 686223), (54, 533729), (57, 505638), (63, 457482), (114, 252819), (126, 228741), (133, 216702), (171, 168546), (189, 152494), (266, 108351), (342, 84273), (378, 76247), (399, 72234), (513, 56182), (798, 36117), (1026, 28091), (1197, 24078), (2394, 12039), (3591, 8026), (4013, 7182)]