161719335

素因数分解:

$3^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{953}}^1$

素因数の和:1389

約数の個数: 40

約数和(自身を含む): 290893680

約数和(自身を除く): 129174345

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 419, 953, 1257, 2095, 2859, 3771, 4765, 6285, 8577, 11313, 14295, 18855, 25731, 33939, 42885, 56565, 77193, 128655, 169695, 385965, 399307, 1197921, 1996535, 3593763, 5989605, 10781289, 17968815, 32343867, 53906445, 161719335]

約数ペア:

[(1, 161719335), (3, 53906445), (5, 32343867), (9, 17968815), (15, 10781289), (27, 5989605), (45, 3593763), (81, 1996535), (135, 1197921), (405, 399307), (419, 385965), (953, 169695), (1257, 128655), (2095, 77193), (2859, 56565), (3771, 42885), (4765, 33939), (6285, 25731), (8577, 18855), (11313, 14295)]