251145945

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{863}}^1$

素因数の和:1126

約数の個数: 48

約数和(自身を含む): 452874240

約数和(自身を除く): 201728295

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 223, 261, 435, 669, 863, 1115, 1305, 2007, 2589, 3345, 4315, 6467, 7767, 10035, 12945, 19401, 25027, 32335, 38835, 58203, 75081, 97005, 125135, 192449, 225243, 291015, 375405, 577347, 962245, 1126215, 1732041, 2886735, 5581021, 8660205, 16743063, 27905105, 50229189, 83715315, 251145945]

約数ペア:

[(1, 251145945), (3, 83715315), (5, 50229189), (9, 27905105), (15, 16743063), (29, 8660205), (45, 5581021), (87, 2886735), (145, 1732041), (223, 1126215), (261, 962245), (435, 577347), (669, 375405), (863, 291015), (1115, 225243), (1305, 192449), (2007, 125135), (2589, 97005), (3345, 75081), (4315, 58203), (6467, 38835), (7767, 32335), (10035, 25027), (12945, 19401)]