218612745

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{7951}}^1$

素因数の和:8022

約数の個数: 48

約数和(自身を含む): 416812032

約数和(自身を除く): 198199287

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 47, 65, 117, 141, 195, 235, 423, 585, 611, 705, 1833, 2115, 3055, 5499, 7951, 9165, 23853, 27495, 39755, 71559, 103363, 119265, 310089, 357795, 373697, 516815, 930267, 1121091, 1550445, 1868485, 3363273, 4651335, 4858061, 5605455, 14574183, 16816365, 24290305, 43722549, 72870915, 218612745]

約数ペア:

[(1, 218612745), (3, 72870915), (5, 43722549), (9, 24290305), (13, 16816365), (15, 14574183), (39, 5605455), (45, 4858061), (47, 4651335), (65, 3363273), (117, 1868485), (141, 1550445), (195, 1121091), (235, 930267), (423, 516815), (585, 373697), (611, 357795), (705, 310089), (1833, 119265), (2115, 103363), (3055, 71559), (5499, 39755), (7951, 27495), (9165, 23853)]