172370289

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{90199}}^1$

素因数の和:90229

約数の個数: 24

約数和(自身を含む): 287918400

約数和(自身を除く): 115548111

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 90199, 270597, 631393, 1172587, 1894179, 3517761, 4419751, 8208109, 13259253, 24624327, 57456763, 172370289]

約数ペア:

[(1, 172370289), (3, 57456763), (7, 24624327), (13, 13259253), (21, 8208109), (39, 4419751), (49, 3517761), (91, 1894179), (147, 1172587), (273, 631393), (637, 270597), (1911, 90199)]