128956815

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12967}}^1$

素因数の和:13008

約数の個数: 48

約数和(自身を含む): 254899008

約数和(自身を除く): 125942193

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 3315, 9945, 12967, 38901, 64835, 116703, 168571, 194505, 220439, 505713, 583515, 661317, 842855, 1102195, 1517139, 1983951, 2528565, 2865707, 3306585, 7585695, 8597121, 9919755, 14328535, 25791363, 42985605, 128956815]

約数ペア:

[(1, 128956815), (3, 42985605), (5, 25791363), (9, 14328535), (13, 9919755), (15, 8597121), (17, 7585695), (39, 3306585), (45, 2865707), (51, 2528565), (65, 1983951), (85, 1517139), (117, 1102195), (153, 842855), (195, 661317), (221, 583515), (255, 505713), (585, 220439), (663, 194505), (765, 168571), (1105, 116703), (1989, 64835), (3315, 38901), (9945, 12967)]