28904085

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1031}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 57957120

約数和(自身を除く): 29053035

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 89, 105, 267, 315, 445, 623, 801, 1031, 1335, 1869, 3093, 3115, 4005, 5155, 5607, 7217, 9279, 9345, 15465, 21651, 28035, 36085, 46395, 64953, 91759, 108255, 275277, 324765, 458795, 642313, 825831, 1376385, 1926939, 3211565, 4129155, 5780817, 9634695, 28904085]

約数ペア:

[(1, 28904085), (3, 9634695), (5, 5780817), (7, 4129155), (9, 3211565), (15, 1926939), (21, 1376385), (35, 825831), (45, 642313), (63, 458795), (89, 324765), (105, 275277), (267, 108255), (315, 91759), (445, 64953), (623, 46395), (801, 36085), (1031, 28035), (1335, 21651), (1869, 15465), (3093, 9345), (3115, 9279), (4005, 7217), (5155, 5607)]