123396585

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 222566400

約数和(自身を除く): 99169815

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 137, 149, 155, 195, 403, 411, 447, 465, 685, 745, 1209, 1781, 1937, 2015, 2055, 2235, 4247, 4619, 5343, 5811, 6045, 8905, 9685, 12741, 13857, 20413, 21235, 23095, 26715, 29055, 55211, 60047, 61239, 63705, 69285, 102065, 165633, 180141, 265369, 276055, 300235, 306195, 632803, 796107, 828165, 900705, 1326845, 1898409, 3164015, 3980535, 8226439, 9492045, 24679317, 41132195, 123396585]

約数ペア:

[(1, 123396585), (3, 41132195), (5, 24679317), (13, 9492045), (15, 8226439), (31, 3980535), (39, 3164015), (65, 1898409), (93, 1326845), (137, 900705), (149, 828165), (155, 796107), (195, 632803), (403, 306195), (411, 300235), (447, 276055), (465, 265369), (685, 180141), (745, 165633), (1209, 102065), (1781, 69285), (1937, 63705), (2015, 61239), (2055, 60047), (2235, 55211), (4247, 29055), (4619, 26715), (5343, 23095), (5811, 21235), (6045, 20413), (8905, 13857), (9685, 12741)]