161511237

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 259038000

約数和(自身を除く): 97526763

約数列:

[1, 3, 9, 17, 29, 51, 87, 89, 153, 261, 267, 409, 493, 801, 1227, 1479, 1513, 2581, 3681, 4437, 4539, 6953, 7743, 11861, 13617, 20859, 23229, 35583, 36401, 43877, 62577, 106749, 109203, 131631, 201637, 327609, 394893, 604911, 618817, 1055629, 1814733, 1856451, 3166887, 5569353, 9500661, 17945693, 53837079, 161511237]

約数ペア:

[(1, 161511237), (3, 53837079), (9, 17945693), (17, 9500661), (29, 5569353), (51, 3166887), (87, 1856451), (89, 1814733), (153, 1055629), (261, 618817), (267, 604911), (409, 394893), (493, 327609), (801, 201637), (1227, 131631), (1479, 109203), (1513, 106749), (2581, 62577), (3681, 43877), (4437, 36401), (4539, 35583), (6953, 23229), (7743, 20859), (11861, 13617)]