42779745

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1993}}^1$

素因数の和:2063

約数の個数: 40

約数和(自身を含む): 78172776

約数和(自身を除く): 35393031

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 795, 1431, 1993, 2385, 4293, 5979, 7155, 9965, 17937, 21465, 29895, 53811, 89685, 105629, 161433, 269055, 316887, 528145, 807165, 950661, 1584435, 2851983, 4753305, 8555949, 14259915, 42779745]

約数ペア:

[(1, 42779745), (3, 14259915), (5, 8555949), (9, 4753305), (15, 2851983), (27, 1584435), (45, 950661), (53, 807165), (81, 528145), (135, 316887), (159, 269055), (265, 161433), (405, 105629), (477, 89685), (795, 53811), (1431, 29895), (1993, 21465), (2385, 17937), (4293, 9965), (5979, 7155)]