87420123

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{811}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 152006400

約数和(自身を除く): 64586277

約数列:

[1, 3, 7, 9, 21, 29, 59, 63, 87, 177, 203, 261, 413, 531, 609, 811, 1239, 1711, 1827, 2433, 3717, 5133, 5677, 7299, 11977, 15399, 17031, 23519, 35931, 47849, 51093, 70557, 107793, 143547, 164633, 211671, 334943, 430641, 493899, 1004829, 1387621, 1481697, 3014487, 4162863, 9713347, 12488589, 29140041, 87420123]

約数ペア:

[(1, 87420123), (3, 29140041), (7, 12488589), (9, 9713347), (21, 4162863), (29, 3014487), (59, 1481697), (63, 1387621), (87, 1004829), (177, 493899), (203, 430641), (261, 334943), (413, 211671), (531, 164633), (609, 143547), (811, 107793), (1239, 70557), (1711, 51093), (1827, 47849), (2433, 35931), (3717, 23519), (5133, 17031), (5677, 15399), (7299, 11977)]