253921395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{186023}}^1$

素因数の和:186051

約数の個数: 32

約数和(自身を含む): 500032512

約数和(自身を除く): 246111117

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 186023, 558069, 930115, 1302161, 2418299, 2790345, 3906483, 6510805, 7254897, 12091495, 16928093, 19532415, 36274485, 50784279, 84640465, 253921395]

約数ペア:

[(1, 253921395), (3, 84640465), (5, 50784279), (7, 36274485), (13, 19532415), (15, 16928093), (21, 12091495), (35, 7254897), (39, 6510805), (65, 3906483), (91, 2790345), (105, 2418299), (195, 1302161), (273, 930115), (455, 558069), (1365, 186023)]