28428621

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{773}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 43690752

約数和(自身を除く): 15262131

約数列:

[1, 3, 13, 23, 39, 41, 69, 123, 299, 533, 773, 897, 943, 1599, 2319, 2829, 10049, 12259, 17779, 30147, 31693, 36777, 53337, 95079, 231127, 412009, 693381, 728939, 1236027, 2186817, 9476207, 28428621]

約数ペア:

[(1, 28428621), (3, 9476207), (13, 2186817), (23, 1236027), (39, 728939), (41, 693381), (69, 412009), (123, 231127), (299, 95079), (533, 53337), (773, 36777), (897, 31693), (943, 30147), (1599, 17779), (2319, 12259), (2829, 10049)]