64812975

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 110826240

約数和(自身を除く): 46013265

約数列:

[1, 3, 5, 15, 25, 59, 75, 97, 151, 177, 291, 295, 453, 485, 755, 885, 1455, 1475, 2265, 2425, 3775, 4425, 5723, 7275, 8909, 11325, 14647, 17169, 26727, 28615, 43941, 44545, 73235, 85845, 133635, 143075, 219705, 222725, 366175, 429225, 668175, 864173, 1098525, 2592519, 4320865, 12962595, 21604325, 64812975]

約数ペア:

[(1, 64812975), (3, 21604325), (5, 12962595), (15, 4320865), (25, 2592519), (59, 1098525), (75, 864173), (97, 668175), (151, 429225), (177, 366175), (291, 222725), (295, 219705), (453, 143075), (485, 133635), (755, 85845), (885, 73235), (1455, 44545), (1475, 43941), (2265, 28615), (2425, 26727), (3775, 17169), (4425, 14647), (5723, 11325), (7275, 8909)]