380671641

素因数分解:

$3^2\times 7^2\times {\mathrm{211}}^1\times {\mathrm{4091}}^1$

素因数の和:4322

約数の個数: 36

約数和(自身を含む): 642820464

約数和(自身を除く): 262148823

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 211, 441, 633, 1477, 1899, 4091, 4431, 10339, 12273, 13293, 28637, 31017, 36819, 85911, 93051, 200459, 257733, 601377, 863201, 1804131, 2589603, 6042407, 7768809, 18127221, 42296849, 54381663, 126890547, 380671641]

約数ペア:

[(1, 380671641), (3, 126890547), (7, 54381663), (9, 42296849), (21, 18127221), (49, 7768809), (63, 6042407), (147, 2589603), (211, 1804131), (441, 863201), (633, 601377), (1477, 257733), (1899, 200459), (4091, 93051), (4431, 85911), (10339, 36819), (12273, 31017), (13293, 28637)]