520028379

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:373

約数の個数: 72

約数和(自身を含む): 863291520

約数和(自身を除く): 343263141

約数列:

[1, 3, 9, 13, 31, 39, 41, 93, 117, 123, 169, 269, 279, 369, 403, 507, 533, 807, 1209, 1271, 1521, 1599, 2421, 3497, 3627, 3813, 4797, 5239, 6929, 8339, 10491, 11029, 11439, 15717, 16523, 20787, 25017, 31473, 33087, 45461, 47151, 49569, 62361, 75051, 99261, 108407, 136383, 143377, 148707, 214799, 325221, 341899, 409149, 430131, 644397, 975663, 1025697, 1290393, 1409291, 1863901, 1933191, 3077091, 4227873, 4444687, 5591703, 12683619, 13334061, 16775109, 40002183, 57780931, 173342793, 520028379]

約数ペア:

[(1, 520028379), (3, 173342793), (9, 57780931), (13, 40002183), (31, 16775109), (39, 13334061), (41, 12683619), (93, 5591703), (117, 4444687), (123, 4227873), (169, 3077091), (269, 1933191), (279, 1863901), (369, 1409291), (403, 1290393), (507, 1025697), (533, 975663), (807, 644397), (1209, 430131), (1271, 409149), (1521, 341899), (1599, 325221), (2421, 214799), (3497, 148707), (3627, 143377), (3813, 136383), (4797, 108407), (5239, 99261), (6929, 75051), (8339, 62361), (10491, 49569), (11029, 47151), (11439, 45461), (15717, 33087), (16523, 31473), (20787, 25017)]