56781615

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 108490752

約数和(自身を除く): 51709137

約数列:

[1, 3, 5, 11, 15, 17, 31, 33, 51, 55, 85, 93, 155, 165, 187, 255, 341, 465, 527, 561, 653, 935, 1023, 1581, 1705, 1959, 2635, 2805, 3265, 5115, 5797, 7183, 7905, 9795, 11101, 17391, 20243, 21549, 28985, 33303, 35915, 55505, 60729, 86955, 101215, 107745, 122111, 166515, 222673, 303645, 344131, 366333, 610555, 668019, 1032393, 1113365, 1720655, 1831665, 3340095, 3785441, 5161965, 11356323, 18927205, 56781615]

約数ペア:

[(1, 56781615), (3, 18927205), (5, 11356323), (11, 5161965), (15, 3785441), (17, 3340095), (31, 1831665), (33, 1720655), (51, 1113365), (55, 1032393), (85, 668019), (93, 610555), (155, 366333), (165, 344131), (187, 303645), (255, 222673), (341, 166515), (465, 122111), (527, 107745), (561, 101215), (653, 86955), (935, 60729), (1023, 55505), (1581, 35915), (1705, 33303), (1959, 28985), (2635, 21549), (2805, 20243), (3265, 17391), (5115, 11101), (5797, 9795), (7183, 7905)]