353146521

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{661}}^1$

素因数の和:806

約数の個数: 64

約数和(自身を含む): 616878080

約数和(自身を除く): 263731559

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 103, 133, 247, 273, 309, 399, 661, 721, 741, 1339, 1729, 1957, 1983, 2163, 4017, 4627, 5187, 5871, 8593, 9373, 12559, 13699, 13881, 25441, 25779, 28119, 37677, 41097, 60151, 68083, 76323, 87913, 163267, 178087, 180453, 204249, 263739, 476581, 489801, 534261, 885079, 1142869, 1293577, 1429743, 2655237, 3428607, 3880731, 6195553, 9055039, 16816501, 18586659, 27165117, 50449503, 117715507, 353146521]

約数ペア:

[(1, 353146521), (3, 117715507), (7, 50449503), (13, 27165117), (19, 18586659), (21, 16816501), (39, 9055039), (57, 6195553), (91, 3880731), (103, 3428607), (133, 2655237), (247, 1429743), (273, 1293577), (309, 1142869), (399, 885079), (661, 534261), (721, 489801), (741, 476581), (1339, 263739), (1729, 204249), (1957, 180453), (1983, 178087), (2163, 163267), (4017, 87913), (4627, 76323), (5187, 68083), (5871, 60151), (8593, 41097), (9373, 37677), (12559, 28119), (13699, 25779), (13881, 25441)]