161766315

素因数分解:

$3^5\times 5^1\times {\mathrm{211}}^1\times {\mathrm{631}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 292621056

約数和(自身を除く): 130854741

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 211, 243, 405, 631, 633, 1055, 1215, 1893, 1899, 3155, 3165, 5679, 5697, 9465, 9495, 17037, 17091, 28395, 28485, 51111, 51273, 85185, 85455, 133141, 153333, 255555, 256365, 399423, 665705, 766665, 1198269, 1997115, 3594807, 5991345, 10784421, 17974035, 32353263, 53922105, 161766315]

約数ペア:

[(1, 161766315), (3, 53922105), (5, 32353263), (9, 17974035), (15, 10784421), (27, 5991345), (45, 3594807), (81, 1997115), (135, 1198269), (211, 766665), (243, 665705), (405, 399423), (631, 256365), (633, 255555), (1055, 153333), (1215, 133141), (1893, 85455), (1899, 85185), (3155, 51273), (3165, 51111), (5679, 28485), (5697, 28395), (9465, 17091), (9495, 17037)]