172399995

素因数分解:

$3^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3019}}^1$

素因数の和:3086

約数の個数: 48

約数和(自身を含む): 316592640

約数和(自身を除く): 144192645

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 243, 405, 423, 705, 1215, 1269, 2115, 3019, 3807, 6345, 9057, 11421, 15095, 19035, 27171, 45285, 57105, 81513, 135855, 141893, 244539, 407565, 425679, 709465, 733617, 1222695, 1277037, 2128395, 3668085, 3831111, 6385185, 11493333, 19155555, 34479999, 57466665, 172399995]

約数ペア:

[(1, 172399995), (3, 57466665), (5, 34479999), (9, 19155555), (15, 11493333), (27, 6385185), (45, 3831111), (47, 3668085), (81, 2128395), (135, 1277037), (141, 1222695), (235, 733617), (243, 709465), (405, 425679), (423, 407565), (705, 244539), (1215, 141893), (1269, 135855), (2115, 81513), (3019, 57105), (3807, 45285), (6345, 27171), (9057, 19035), (11421, 15095)]