1281477561

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{659}}^1$

素因数の和:1118

約数の個数: 64

約数和(自身を含む): 2235340800

約数和(自身を除く): 953863239

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 419, 659, 663, 1257, 1547, 1977, 2933, 4613, 4641, 5447, 7123, 8567, 8799, 11203, 13839, 16341, 21369, 25701, 33609, 38129, 49861, 59969, 78421, 92599, 114387, 145639, 149583, 179907, 235263, 276121, 277797, 436917, 648193, 828363, 1019473, 1932847, 1944579, 3058419, 3589573, 4694057, 5798541, 10768719, 14082171, 25127011, 32858399, 61022741, 75381033, 98575197, 183068223, 427159187, 1281477561]

約数ペア:

[(1, 1281477561), (3, 427159187), (7, 183068223), (13, 98575197), (17, 75381033), (21, 61022741), (39, 32858399), (51, 25127011), (91, 14082171), (119, 10768719), (221, 5798541), (273, 4694057), (357, 3589573), (419, 3058419), (659, 1944579), (663, 1932847), (1257, 1019473), (1547, 828363), (1977, 648193), (2933, 436917), (4613, 277797), (4641, 276121), (5447, 235263), (7123, 179907), (8567, 149583), (8799, 145639), (11203, 114387), (13839, 92599), (16341, 78421), (21369, 59969), (25701, 49861), (33609, 38129)]