27888510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1663}}^1$

素因数の和:1729

約数の個数: 64

約数和(自身を含む): 73801728

約数和(自身を除く): 45913218

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1290, 1663, 1677, 2795, 3326, 3354, 4989, 5590, 8315, 8385, 9978, 16630, 16770, 21619, 24945, 43238, 49890, 64857, 71509, 108095, 129714, 143018, 214527, 216190, 324285, 357545, 429054, 648570, 715090, 929617, 1072635, 1859234, 2145270, 2788851, 4648085, 5577702, 9296170, 13944255, 27888510]

約数ペア:

[(1, 27888510), (2, 13944255), (3, 9296170), (5, 5577702), (6, 4648085), (10, 2788851), (13, 2145270), (15, 1859234), (26, 1072635), (30, 929617), (39, 715090), (43, 648570), (65, 429054), (78, 357545), (86, 324285), (129, 216190), (130, 214527), (195, 143018), (215, 129714), (258, 108095), (390, 71509), (430, 64857), (559, 49890), (645, 43238), (1118, 24945), (1290, 21619), (1663, 16770), (1677, 16630), (2795, 9978), (3326, 8385), (3354, 8315), (4989, 5590)]