28169235

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 53084160

約数和(自身を除く): 24914925

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 53, 93, 127, 135, 155, 159, 265, 279, 381, 465, 477, 635, 795, 837, 1143, 1395, 1431, 1643, 1905, 2385, 3429, 3937, 4185, 4929, 5715, 6731, 7155, 8215, 11811, 14787, 17145, 19685, 20193, 24645, 33655, 35433, 44361, 59055, 60579, 73935, 100965, 106299, 177165, 181737, 208661, 221805, 302895, 531495, 625983, 908685, 1043305, 1877949, 3129915, 5633847, 9389745, 28169235]

約数ペア:

[(1, 28169235), (3, 9389745), (5, 5633847), (9, 3129915), (15, 1877949), (27, 1043305), (31, 908685), (45, 625983), (53, 531495), (93, 302895), (127, 221805), (135, 208661), (155, 181737), (159, 177165), (265, 106299), (279, 100965), (381, 73935), (465, 60579), (477, 59055), (635, 44361), (795, 35433), (837, 33655), (1143, 24645), (1395, 20193), (1431, 19685), (1643, 17145), (1905, 14787), (2385, 11811), (3429, 8215), (3937, 7155), (4185, 6731), (4929, 5715)]