51254925

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 90613248

約数和(自身を除く): 39358323

約数列:

[1, 3, 5, 15, 23, 25, 43, 69, 75, 115, 129, 215, 345, 575, 645, 691, 989, 1075, 1725, 2073, 2967, 3225, 3455, 4945, 10365, 14835, 15893, 17275, 24725, 29713, 47679, 51825, 74175, 79465, 89139, 148565, 238395, 397325, 445695, 683399, 742825, 1191975, 2050197, 2228475, 3416995, 10250985, 17084975, 51254925]

約数ペア:

[(1, 51254925), (3, 17084975), (5, 10250985), (15, 3416995), (23, 2228475), (25, 2050197), (43, 1191975), (69, 742825), (75, 683399), (115, 445695), (129, 397325), (215, 238395), (345, 148565), (575, 89139), (645, 79465), (691, 74175), (989, 51825), (1075, 47679), (1725, 29713), (2073, 24725), (2967, 17275), (3225, 15893), (3455, 14835), (4945, 10365)]