17181990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{9091}}^1$

素因数の和:9114

約数の個数: 64

約数和(自身を含む): 52369920

約数和(自身を除く): 35187930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 9091, 18182, 27273, 45455, 54546, 63637, 81819, 90910, 127274, 136365, 163638, 190911, 245457, 272730, 318185, 381822, 409095, 490914, 572733, 636370, 818190, 954555, 1145466, 1227285, 1718199, 1909110, 2454570, 2863665, 3436398, 5727330, 8590995, 17181990]

約数ペア:

[(1, 17181990), (2, 8590995), (3, 5727330), (5, 3436398), (6, 2863665), (7, 2454570), (9, 1909110), (10, 1718199), (14, 1227285), (15, 1145466), (18, 954555), (21, 818190), (27, 636370), (30, 572733), (35, 490914), (42, 409095), (45, 381822), (54, 318185), (63, 272730), (70, 245457), (90, 190911), (105, 163638), (126, 136365), (135, 127274), (189, 90910), (210, 81819), (270, 63637), (315, 54546), (378, 45455), (630, 27273), (945, 18182), (1890, 9091)]