253593753

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1\times {\mathrm{601}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 393910272

約数和(自身を除く): 140316519

約数列:

[1, 3, 7, 21, 71, 213, 283, 497, 601, 849, 1491, 1803, 1981, 4207, 5943, 12621, 20093, 42671, 60279, 128013, 140651, 170083, 298697, 421953, 510249, 896091, 1190581, 3571743, 12075893, 36227679, 84531251, 253593753]

約数ペア:

[(1, 253593753), (3, 84531251), (7, 36227679), (21, 12075893), (71, 3571743), (213, 1190581), (283, 896091), (497, 510249), (601, 421953), (849, 298697), (1491, 170083), (1803, 140651), (1981, 128013), (4207, 60279), (5943, 42671), (12621, 20093)]