27655845

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 52005888

約数和(自身を除く): 24350043

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 191, 197, 245, 573, 591, 735, 955, 985, 1337, 1379, 2865, 2955, 4011, 4137, 6685, 6895, 9359, 9653, 20055, 20685, 28077, 28959, 37627, 46795, 48265, 112881, 140385, 144795, 188135, 263389, 564405, 790167, 1316945, 1843723, 3950835, 5531169, 9218615, 27655845]

約数ペア:

[(1, 27655845), (3, 9218615), (5, 5531169), (7, 3950835), (15, 1843723), (21, 1316945), (35, 790167), (49, 564405), (105, 263389), (147, 188135), (191, 144795), (197, 140385), (245, 112881), (573, 48265), (591, 46795), (735, 37627), (955, 28959), (985, 28077), (1337, 20685), (1379, 20055), (2865, 9653), (2955, 9359), (4011, 6895), (4137, 6685)]