28101975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1481}}^1$

素因数の和:1528

約数の個数: 48

約数和(自身を含む): 52925184

約数和(自身を除く): 24823209

約数列:

[1, 3, 5, 11, 15, 23, 25, 33, 55, 69, 75, 115, 165, 253, 275, 345, 575, 759, 825, 1265, 1481, 1725, 3795, 4443, 6325, 7405, 16291, 18975, 22215, 34063, 37025, 48873, 81455, 102189, 111075, 170315, 244365, 374693, 407275, 510945, 851575, 1124079, 1221825, 1873465, 2554725, 5620395, 9367325, 28101975]

約数ペア:

[(1, 28101975), (3, 9367325), (5, 5620395), (11, 2554725), (15, 1873465), (23, 1221825), (25, 1124079), (33, 851575), (55, 510945), (69, 407275), (75, 374693), (115, 244365), (165, 170315), (253, 111075), (275, 102189), (345, 81455), (575, 48873), (759, 37025), (825, 34063), (1265, 22215), (1481, 18975), (1725, 16291), (3795, 7405), (4443, 6325)]