28442745

素因数分解:

$3^4\times 5^1\times {\mathrm{70229}}^1$

素因数の和:70246

約数の個数: 20

約数和(自身を含む): 50986980

約数和(自身を除く): 22544235

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 70229, 210687, 351145, 632061, 1053435, 1896183, 3160305, 5688549, 9480915, 28442745]

約数ペア:

[(1, 28442745), (3, 9480915), (5, 5688549), (9, 3160305), (15, 1896183), (27, 1053435), (45, 632061), (81, 351145), (135, 210687), (405, 70229)]