278002803

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 416625120

約数和(自身を除く): 138622317

約数列:

[1, 3, 13, 39, 61, 89, 101, 169, 183, 267, 303, 507, 793, 1157, 1313, 2379, 3471, 3939, 5429, 6161, 8989, 10309, 15041, 16287, 17069, 18483, 26967, 30927, 45123, 51207, 70577, 80093, 116857, 211731, 240279, 350571, 548329, 917501, 1041209, 1519141, 1644987, 2752503, 3123627, 4557423, 7128277, 21384831, 92667601, 278002803]

約数ペア:

[(1, 278002803), (3, 92667601), (13, 21384831), (39, 7128277), (61, 4557423), (89, 3123627), (101, 2752503), (169, 1644987), (183, 1519141), (267, 1041209), (303, 917501), (507, 548329), (793, 350571), (1157, 240279), (1313, 211731), (2379, 116857), (3471, 80093), (3939, 70577), (5429, 51207), (6161, 45123), (8989, 30927), (10309, 26967), (15041, 18483), (16287, 17069)]