28557285

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1033}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 48639360

約数和(自身を除く): 20082075

約数列:

[1, 3, 5, 15, 19, 57, 95, 97, 285, 291, 485, 1033, 1455, 1843, 3099, 5165, 5529, 9215, 15495, 19627, 27645, 58881, 98135, 100201, 294405, 300603, 501005, 1503015, 1903819, 5711457, 9519095, 28557285]

約数ペア:

[(1, 28557285), (3, 9519095), (5, 5711457), (15, 1903819), (19, 1503015), (57, 501005), (95, 300603), (97, 294405), (285, 100201), (291, 98135), (485, 58881), (1033, 27645), (1455, 19627), (1843, 15495), (3099, 9215), (5165, 5529)]