180843957

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 324380160

約数和(自身を除く): 143536203

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 113, 133, 147, 171, 191, 339, 399, 441, 573, 791, 931, 1017, 1197, 1337, 1719, 2147, 2373, 2793, 3629, 4011, 5537, 6441, 7119, 8379, 9359, 10887, 12033, 15029, 16611, 19323, 21583, 25403, 28077, 32661, 45087, 49833, 64749, 76209, 84231, 105203, 135261, 151081, 177821, 194247, 228627, 315609, 410077, 453243, 533463, 946827, 1057567, 1230231, 1359729, 1600389, 2870539, 3172701, 3690693, 8611617, 9518103, 20093773, 25834851, 60281319, 180843957]

約数ペア:

[(1, 180843957), (3, 60281319), (7, 25834851), (9, 20093773), (19, 9518103), (21, 8611617), (49, 3690693), (57, 3172701), (63, 2870539), (113, 1600389), (133, 1359729), (147, 1230231), (171, 1057567), (191, 946827), (339, 533463), (399, 453243), (441, 410077), (573, 315609), (791, 228627), (931, 194247), (1017, 177821), (1197, 151081), (1337, 135261), (1719, 105203), (2147, 84231), (2373, 76209), (2793, 64749), (3629, 49833), (4011, 45087), (5537, 32661), (6441, 28077), (7119, 25403), (8379, 21583), (9359, 19323), (10887, 16611), (12033, 15029)]