9979902

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 23846400

約数和(自身を除く): 13866498

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 71, 114, 137, 142, 171, 213, 274, 342, 411, 426, 513, 639, 822, 1026, 1233, 1278, 1349, 1917, 2466, 2603, 2698, 3699, 3834, 4047, 5206, 7398, 7809, 8094, 9727, 12141, 15618, 19454, 23427, 24282, 29181, 36423, 46854, 58362, 70281, 72846, 87543, 140562, 175086, 184813, 262629, 369626, 525258, 554439, 1108878, 1663317, 3326634, 4989951, 9979902]

約数ペア:

[(1, 9979902), (2, 4989951), (3, 3326634), (6, 1663317), (9, 1108878), (18, 554439), (19, 525258), (27, 369626), (38, 262629), (54, 184813), (57, 175086), (71, 140562), (114, 87543), (137, 72846), (142, 70281), (171, 58362), (213, 46854), (274, 36423), (342, 29181), (411, 24282), (426, 23427), (513, 19454), (639, 15618), (822, 12141), (1026, 9727), (1233, 8094), (1278, 7809), (1349, 7398), (1917, 5206), (2466, 4047), (2603, 3834), (2698, 3699)]