81451224

素因数分解:

$2^3\times 3^3\times {\mathrm{557}}^1\times {\mathrm{677}}^1$

素因数の和:1249

約数の個数: 64

約数和(自身を含む): 226994400

約数和(自身を除く): 145543176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 557, 677, 1114, 1354, 1671, 2031, 2228, 2708, 3342, 4062, 4456, 5013, 5416, 6093, 6684, 8124, 10026, 12186, 13368, 15039, 16248, 18279, 20052, 24372, 30078, 36558, 40104, 48744, 60156, 73116, 120312, 146232, 377089, 754178, 1131267, 1508356, 2262534, 3016712, 3393801, 4525068, 6787602, 9050136, 10181403, 13575204, 20362806, 27150408, 40725612, 81451224]

約数ペア:

[(1, 81451224), (2, 40725612), (3, 27150408), (4, 20362806), (6, 13575204), (8, 10181403), (9, 9050136), (12, 6787602), (18, 4525068), (24, 3393801), (27, 3016712), (36, 2262534), (54, 1508356), (72, 1131267), (108, 754178), (216, 377089), (557, 146232), (677, 120312), (1114, 73116), (1354, 60156), (1671, 48744), (2031, 40104), (2228, 36558), (2708, 30078), (3342, 24372), (4062, 20052), (4456, 18279), (5013, 16248), (5416, 15039), (6093, 13368), (6684, 12186), (8124, 10026)]