778833225

素因数分解:

$3^5\times 5^2\times {\mathrm{128203}}^1$

素因数の和:128228

約数の個数: 36

約数和(自身を含む): 1446653936

約数和(自身を除く): 667820711

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 1215, 2025, 6075, 128203, 384609, 641015, 1153827, 1923045, 3205075, 3461481, 5769135, 9615225, 10384443, 17307405, 28845675, 31153329, 51922215, 86537025, 155766645, 259611075, 778833225]

約数ペア:

[(1, 778833225), (3, 259611075), (5, 155766645), (9, 86537025), (15, 51922215), (25, 31153329), (27, 28845675), (45, 17307405), (75, 10384443), (81, 9615225), (135, 5769135), (225, 3461481), (243, 3205075), (405, 1923045), (675, 1153827), (1215, 641015), (2025, 384609), (6075, 128203)]