72267885

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 129106224

約数和(自身を除く): 56838339

約数列:

[1, 3, 5, 9, 15, 45, 53, 157, 159, 193, 265, 471, 477, 579, 785, 795, 965, 1413, 1737, 2355, 2385, 2895, 7065, 8321, 8685, 10229, 24963, 30301, 30687, 41605, 51145, 74889, 90903, 92061, 124815, 151505, 153435, 272709, 374445, 454515, 460305, 1363545, 1605953, 4817859, 8029765, 14453577, 24089295, 72267885]

約数ペア:

[(1, 72267885), (3, 24089295), (5, 14453577), (9, 8029765), (15, 4817859), (45, 1605953), (53, 1363545), (157, 460305), (159, 454515), (193, 374445), (265, 272709), (471, 153435), (477, 151505), (579, 124815), (785, 92061), (795, 90903), (965, 74889), (1413, 51145), (1737, 41605), (2355, 30687), (2385, 30301), (2895, 24963), (7065, 10229), (8321, 8685)]