245536011

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 434285280

約数和(自身を除く): 188749269

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 73, 87, 147, 203, 219, 261, 263, 441, 511, 609, 657, 789, 1421, 1533, 1827, 1841, 2117, 2367, 3577, 4263, 4599, 5523, 6351, 7627, 10731, 12789, 12887, 14819, 16569, 19053, 19199, 22881, 32193, 38661, 44457, 53389, 57597, 68643, 103733, 115983, 133371, 134393, 160167, 172791, 311199, 373723, 403179, 480501, 556771, 933597, 940751, 1121169, 1209537, 1670313, 2822253, 3363507, 3897397, 5010939, 8466759, 11692191, 27281779, 35076573, 81845337, 245536011]

約数ペア:

[(1, 245536011), (3, 81845337), (7, 35076573), (9, 27281779), (21, 11692191), (29, 8466759), (49, 5010939), (63, 3897397), (73, 3363507), (87, 2822253), (147, 1670313), (203, 1209537), (219, 1121169), (261, 940751), (263, 933597), (441, 556771), (511, 480501), (609, 403179), (657, 373723), (789, 311199), (1421, 172791), (1533, 160167), (1827, 134393), (1841, 133371), (2117, 115983), (2367, 103733), (3577, 68643), (4263, 57597), (4599, 53389), (5523, 44457), (6351, 38661), (7627, 32193), (10731, 22881), (12789, 19199), (12887, 19053), (14819, 16569)]