84870825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1427}}^1$

素因数の和:1514

約数の個数: 48

約数和(自身を含む): 153698496

約数和(自身を除く): 68827671

約数列:

[1, 3, 5, 13, 15, 25, 39, 61, 65, 75, 183, 195, 305, 325, 793, 915, 975, 1427, 1525, 2379, 3965, 4281, 4575, 7135, 11895, 18551, 19825, 21405, 35675, 55653, 59475, 87047, 92755, 107025, 261141, 278265, 435235, 463775, 1131611, 1305705, 1391325, 2176175, 3394833, 5658055, 6528525, 16974165, 28290275, 84870825]

約数ペア:

[(1, 84870825), (3, 28290275), (5, 16974165), (13, 6528525), (15, 5658055), (25, 3394833), (39, 2176175), (61, 1391325), (65, 1305705), (75, 1131611), (183, 463775), (195, 435235), (305, 278265), (325, 261141), (793, 107025), (915, 92755), (975, 87047), (1427, 59475), (1525, 55653), (2379, 35675), (3965, 21405), (4281, 19825), (4575, 18551), (7135, 11895)]