644211045

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{1237}}^1$

素因数の和:1482

約数の個数: 48

約数和(自身を含む): 1140227712

約数和(自身を除く): 496016667

約数列:

[1, 3, 5, 9, 15, 45, 71, 163, 213, 355, 489, 639, 815, 1065, 1237, 1467, 2445, 3195, 3711, 6185, 7335, 11133, 11573, 18555, 34719, 55665, 57865, 87827, 104157, 173595, 201631, 263481, 439135, 520785, 604893, 790443, 1008155, 1317405, 1814679, 3024465, 3952215, 9073395, 14315801, 42947403, 71579005, 128842209, 214737015, 644211045]

約数ペア:

[(1, 644211045), (3, 214737015), (5, 128842209), (9, 71579005), (15, 42947403), (45, 14315801), (71, 9073395), (163, 3952215), (213, 3024465), (355, 1814679), (489, 1317405), (639, 1008155), (815, 790443), (1065, 604893), (1237, 520785), (1467, 439135), (2445, 263481), (3195, 201631), (3711, 173595), (6185, 104157), (7335, 87827), (11133, 57865), (11573, 55665), (18555, 34719)]