1618748925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{7789}}^1$

素因数の和:7982

約数の個数: 48

約数和(自身を含む): 2851513920

約数和(自身を除く): 1232764995

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 163, 255, 425, 489, 815, 1275, 2445, 2771, 4075, 7789, 8313, 12225, 13855, 23367, 38945, 41565, 69275, 116835, 132413, 194725, 207825, 397239, 584175, 662065, 1269607, 1986195, 3310325, 3808821, 6348035, 9930975, 19044105, 21583319, 31740175, 64749957, 95220525, 107916595, 323749785, 539582975, 1618748925]

約数ペア:

[(1, 1618748925), (3, 539582975), (5, 323749785), (15, 107916595), (17, 95220525), (25, 64749957), (51, 31740175), (75, 21583319), (85, 19044105), (163, 9930975), (255, 6348035), (425, 3808821), (489, 3310325), (815, 1986195), (1275, 1269607), (2445, 662065), (2771, 584175), (4075, 397239), (7789, 207825), (8313, 194725), (12225, 132413), (13855, 116835), (23367, 69275), (38945, 41565)]