28806375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 54512640

約数和(自身を除く): 25706265

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 125, 195, 247, 285, 311, 325, 375, 475, 741, 933, 975, 1235, 1425, 1555, 1625, 2375, 3705, 4043, 4665, 4875, 5909, 6175, 7125, 7775, 12129, 17727, 18525, 20215, 23325, 29545, 30875, 38875, 60645, 76817, 88635, 92625, 101075, 116625, 147725, 230451, 303225, 384085, 443175, 505375, 738625, 1152255, 1516125, 1920425, 2215875, 5761275, 9602125, 28806375]

約数ペア:

[(1, 28806375), (3, 9602125), (5, 5761275), (13, 2215875), (15, 1920425), (19, 1516125), (25, 1152255), (39, 738625), (57, 505375), (65, 443175), (75, 384085), (95, 303225), (125, 230451), (195, 147725), (247, 116625), (285, 101075), (311, 92625), (325, 88635), (375, 76817), (475, 60645), (741, 38875), (933, 30875), (975, 29545), (1235, 23325), (1425, 20215), (1555, 18525), (1625, 17727), (2375, 12129), (3705, 7775), (4043, 7125), (4665, 6175), (4875, 5909)]