138420741

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 197429760

約数和(自身を除く): 59009019

約数列:

[1, 3, 29, 43, 87, 129, 163, 227, 489, 681, 1247, 3741, 4727, 6583, 7009, 9761, 14181, 19749, 21027, 29283, 37001, 111003, 203261, 283069, 609783, 849207, 1073029, 1591043, 3219087, 4773129, 46140247, 138420741]

約数ペア:

[(1, 138420741), (3, 46140247), (29, 4773129), (43, 3219087), (87, 1591043), (129, 1073029), (163, 849207), (227, 609783), (489, 283069), (681, 203261), (1247, 111003), (3741, 37001), (4727, 29283), (6583, 21027), (7009, 19749), (9761, 14181)]