205129821

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1\times {\mathrm{443}}^1$

素因数の和:873

約数の個数: 32

約数和(自身を含む): 305528832

約数和(自身を除く): 100399011

約数列:

[1, 3, 13, 31, 39, 93, 383, 403, 443, 1149, 1209, 1329, 4979, 5759, 11873, 13733, 14937, 17277, 35619, 41199, 154349, 169669, 178529, 463047, 509007, 535587, 2205697, 5259739, 6617091, 15779217, 68376607, 205129821]

約数ペア:

[(1, 205129821), (3, 68376607), (13, 15779217), (31, 6617091), (39, 5259739), (93, 2205697), (383, 535587), (403, 509007), (443, 463047), (1149, 178529), (1209, 169669), (1329, 154349), (4979, 41199), (5759, 35619), (11873, 17277), (13733, 14937)]