161755785

素因数分解:

$3^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1151}}^1$

素因数の和:1515

約数の個数: 40

約数和(自身を含む): 291050496

約数和(自身を除く): 129294711

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 347, 405, 1041, 1151, 1735, 3123, 3453, 5205, 5755, 9369, 10359, 15615, 17265, 28107, 31077, 46845, 51795, 93231, 140535, 155385, 399397, 466155, 1198191, 1996985, 3594573, 5990955, 10783719, 17972865, 32351157, 53918595, 161755785]

約数ペア:

[(1, 161755785), (3, 53918595), (5, 32351157), (9, 17972865), (15, 10783719), (27, 5990955), (45, 3594573), (81, 1996985), (135, 1198191), (347, 466155), (405, 399397), (1041, 155385), (1151, 140535), (1735, 93231), (3123, 51795), (3453, 46845), (5205, 31077), (5755, 28107), (9369, 17265), (10359, 15615)]