28950915

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 57369600

約数和(自身を除く): 28418685

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 331, 343, 357, 595, 735, 833, 993, 1029, 1655, 1715, 1785, 2317, 2499, 4165, 4965, 5145, 5627, 5831, 6951, 11585, 12495, 16219, 16881, 17493, 28135, 29155, 34755, 39389, 48657, 81095, 84405, 87465, 113533, 118167, 196945, 243285, 275723, 340599, 567665, 590835, 827169, 1378615, 1702995, 1930061, 4135845, 5790183, 9650305, 28950915]

約数ペア:

[(1, 28950915), (3, 9650305), (5, 5790183), (7, 4135845), (15, 1930061), (17, 1702995), (21, 1378615), (35, 827169), (49, 590835), (51, 567665), (85, 340599), (105, 275723), (119, 243285), (147, 196945), (245, 118167), (255, 113533), (331, 87465), (343, 84405), (357, 81095), (595, 48657), (735, 39389), (833, 34755), (993, 29155), (1029, 28135), (1655, 17493), (1715, 16881), (1785, 16219), (2317, 12495), (2499, 11585), (4165, 6951), (4965, 5831), (5145, 5627)]