247692015

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{641}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 445476096

約数和(自身を除く): 197784081

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 277, 279, 465, 641, 831, 1385, 1395, 1923, 2493, 3205, 4155, 5769, 8587, 9615, 12465, 19871, 25761, 28845, 42935, 59613, 77283, 99355, 128805, 177557, 178839, 298065, 386415, 532671, 887785, 894195, 1598013, 2663355, 5504267, 7990065, 16512801, 27521335, 49538403, 82564005, 247692015]

約数ペア:

[(1, 247692015), (3, 82564005), (5, 49538403), (9, 27521335), (15, 16512801), (31, 7990065), (45, 5504267), (93, 2663355), (155, 1598013), (277, 894195), (279, 887785), (465, 532671), (641, 386415), (831, 298065), (1385, 178839), (1395, 177557), (1923, 128805), (2493, 99355), (3205, 77283), (4155, 59613), (5769, 42935), (8587, 28845), (9615, 25761), (12465, 19871)]