289382877

素因数分解:

$3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 503376120

約数和(自身を除く): 213993243

約数列:

[1, 3, 7, 9, 21, 49, 63, 73, 89, 101, 147, 219, 267, 303, 441, 511, 623, 657, 707, 801, 909, 1533, 1869, 2121, 3577, 4361, 4599, 4949, 5607, 6363, 6497, 7373, 8989, 10731, 13083, 14847, 19491, 22119, 26967, 32193, 39249, 44541, 45479, 51611, 58473, 62923, 66357, 80901, 136437, 154833, 188769, 318353, 361277, 409311, 440461, 464499, 566307, 656197, 955059, 1083831, 1321383, 1968591, 2865177, 3251493, 3964149, 4593379, 5905773, 13780137, 32153653, 41340411, 96460959, 289382877]

約数ペア:

[(1, 289382877), (3, 96460959), (7, 41340411), (9, 32153653), (21, 13780137), (49, 5905773), (63, 4593379), (73, 3964149), (89, 3251493), (101, 2865177), (147, 1968591), (219, 1321383), (267, 1083831), (303, 955059), (441, 656197), (511, 566307), (623, 464499), (657, 440461), (707, 409311), (801, 361277), (909, 318353), (1533, 188769), (1869, 154833), (2121, 136437), (3577, 80901), (4361, 66357), (4599, 62923), (4949, 58473), (5607, 51611), (6363, 45479), (6497, 44541), (7373, 39249), (8989, 32193), (10731, 26967), (13083, 22119), (14847, 19491)]