509793921

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^2$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 959300160

約数和(自身を除く): 449506239

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 181, 247, 273, 399, 543, 741, 819, 1197, 1267, 1629, 1729, 2223, 2353, 3439, 3801, 5187, 7059, 10317, 11403, 15561, 16471, 21177, 24073, 30951, 32761, 44707, 49413, 72219, 98283, 134121, 148239, 216657, 229327, 294849, 312949, 402363, 425893, 622459, 687981, 938847, 1277679, 1867377, 2063943, 2816541, 2981251, 3833037, 4357213, 5602131, 8091967, 8943753, 13071639, 24275901, 26831259, 39214917, 56643769, 72827703, 169931307, 509793921]

約数ペア:

[(1, 509793921), (3, 169931307), (7, 72827703), (9, 56643769), (13, 39214917), (19, 26831259), (21, 24275901), (39, 13071639), (57, 8943753), (63, 8091967), (91, 5602131), (117, 4357213), (133, 3833037), (171, 2981251), (181, 2816541), (247, 2063943), (273, 1867377), (399, 1277679), (543, 938847), (741, 687981), (819, 622459), (1197, 425893), (1267, 402363), (1629, 312949), (1729, 294849), (2223, 229327), (2353, 216657), (3439, 148239), (3801, 134121), (5187, 98283), (7059, 72219), (10317, 49413), (11403, 44707), (15561, 32761), (16471, 30951), (21177, 24073)]