1905087654

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{15187}}^1$

素因数の和:15322

約数の個数: 64

約数和(自身を含む): 4461626880

約数和(自身を除く): 2556539226

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 101, 138, 202, 207, 303, 414, 606, 621, 909, 1242, 1818, 2323, 2727, 4646, 5454, 6969, 13938, 15187, 20907, 30374, 41814, 45561, 62721, 91122, 125442, 136683, 273366, 349301, 410049, 698602, 820098, 1047903, 1533887, 2095806, 3067774, 3143709, 4601661, 6287418, 9203322, 9431127, 13804983, 18862254, 27609966, 35279401, 41414949, 70558802, 82829898, 105838203, 211676406, 317514609, 635029218, 952543827, 1905087654]

約数ペア:

[(1, 1905087654), (2, 952543827), (3, 635029218), (6, 317514609), (9, 211676406), (18, 105838203), (23, 82829898), (27, 70558802), (46, 41414949), (54, 35279401), (69, 27609966), (101, 18862254), (138, 13804983), (202, 9431127), (207, 9203322), (303, 6287418), (414, 4601661), (606, 3143709), (621, 3067774), (909, 2095806), (1242, 1533887), (1818, 1047903), (2323, 820098), (2727, 698602), (4646, 410049), (5454, 349301), (6969, 273366), (13938, 136683), (15187, 125442), (20907, 91122), (30374, 62721), (41814, 45561)]