13778325

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 28435680

約数和(自身を除く): 14657355

約数列:

[1, 3, 5, 9, 11, 15, 19, 25, 33, 45, 55, 57, 75, 95, 99, 165, 171, 209, 225, 275, 285, 293, 475, 495, 627, 825, 855, 879, 1045, 1425, 1465, 1881, 2475, 2637, 3135, 3223, 4275, 4395, 5225, 5567, 7325, 9405, 9669, 13185, 15675, 16115, 16701, 21975, 27835, 29007, 47025, 48345, 50103, 61237, 65925, 80575, 83505, 139175, 145035, 183711, 241725, 250515, 306185, 417525, 551133, 725175, 918555, 1252575, 1530925, 2755665, 4592775, 13778325]

約数ペア:

[(1, 13778325), (3, 4592775), (5, 2755665), (9, 1530925), (11, 1252575), (15, 918555), (19, 725175), (25, 551133), (33, 417525), (45, 306185), (55, 250515), (57, 241725), (75, 183711), (95, 145035), (99, 139175), (165, 83505), (171, 80575), (209, 65925), (225, 61237), (275, 50103), (285, 48345), (293, 47025), (475, 29007), (495, 27835), (627, 21975), (825, 16701), (855, 16115), (879, 15675), (1045, 13185), (1425, 9669), (1465, 9405), (1881, 7325), (2475, 5567), (2637, 5225), (3135, 4395), (3223, 4275)]