27878175

素因数分解:

$3^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 55923504

約数和(自身を除く): 28045329

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 243, 325, 351, 353, 405, 585, 675, 975, 1053, 1059, 1215, 1755, 1765, 2025, 2925, 3159, 3177, 4589, 5265, 5295, 6075, 8775, 8825, 9531, 13767, 15795, 15885, 22945, 26325, 26475, 28593, 41301, 47655, 68835, 78975, 79425, 85779, 114725, 123903, 142965, 206505, 238275, 344175, 371709, 428895, 619515, 714825, 1032525, 1115127, 1858545, 2144475, 3097575, 5575635, 9292725, 27878175]

約数ペア:

[(1, 27878175), (3, 9292725), (5, 5575635), (9, 3097575), (13, 2144475), (15, 1858545), (25, 1115127), (27, 1032525), (39, 714825), (45, 619515), (65, 428895), (75, 371709), (81, 344175), (117, 238275), (135, 206505), (195, 142965), (225, 123903), (243, 114725), (325, 85779), (351, 79425), (353, 78975), (405, 68835), (585, 47655), (675, 41301), (975, 28593), (1053, 26475), (1059, 26325), (1215, 22945), (1755, 15885), (1765, 15795), (2025, 13767), (2925, 9531), (3159, 8825), (3177, 8775), (4589, 6075), (5265, 5295)]