1865115

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 3833856

約数和(自身を除く): 1968741

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 191, 217, 279, 315, 465, 573, 651, 955, 1085, 1337, 1395, 1719, 1953, 2865, 3255, 4011, 5921, 6685, 8595, 9765, 12033, 17763, 20055, 29605, 41447, 53289, 60165, 88815, 124341, 207235, 266445, 373023, 621705, 1865115]

約数ペア:

[(1, 1865115), (3, 621705), (5, 373023), (7, 266445), (9, 207235), (15, 124341), (21, 88815), (31, 60165), (35, 53289), (45, 41447), (63, 29605), (93, 20055), (105, 17763), (155, 12033), (191, 9765), (217, 8595), (279, 6685), (315, 5921), (465, 4011), (573, 3255), (651, 2865), (955, 1953), (1085, 1719), (1337, 1395)]