77805

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:50

約数の個数: 48

約数和(自身を含む): 174720

約数和(自身を除く): 96915

約数列:

[1, 3, 5, 7, 9, 13, 15, 19, 21, 35, 39, 45, 57, 63, 65, 91, 95, 105, 117, 133, 171, 195, 247, 273, 285, 315, 399, 455, 585, 665, 741, 819, 855, 1197, 1235, 1365, 1729, 1995, 2223, 3705, 4095, 5187, 5985, 8645, 11115, 15561, 25935, 77805]

約数ペア:

[(1, 77805), (3, 25935), (5, 15561), (7, 11115), (9, 8645), (13, 5985), (15, 5187), (19, 4095), (21, 3705), (35, 2223), (39, 1995), (45, 1729), (57, 1365), (63, 1235), (65, 1197), (91, 855), (95, 819), (105, 741), (117, 665), (133, 585), (171, 455), (195, 399), (247, 315), (273, 285)]