2751975

素因数分解:

$3^6\times 5^2\times {\mathrm{151}}^1$

素因数の和:179

約数の個数: 42

約数和(自身を含む): 5150216

約数和(自身を除く): 2398241

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 151, 225, 243, 405, 453, 675, 729, 755, 1215, 1359, 2025, 2265, 3645, 3775, 4077, 6075, 6795, 11325, 12231, 18225, 20385, 33975, 36693, 61155, 101925, 110079, 183465, 305775, 550395, 917325, 2751975]

約数ペア:

[(1, 2751975), (3, 917325), (5, 550395), (9, 305775), (15, 183465), (25, 110079), (27, 101925), (45, 61155), (75, 36693), (81, 33975), (135, 20385), (151, 18225), (225, 12231), (243, 11325), (405, 6795), (453, 6075), (675, 4077), (729, 3775), (755, 3645), (1215, 2265), (1359, 2025)]