81168156

素因数分解:

$2^2\times 3^4\times {\mathrm{379}}^1\times {\mathrm{661}}^1$

素因数の和:1056

約数の個数: 60

約数和(自身を含む): 213071320

約数和(自身を除く): 131903164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 379, 661, 758, 1137, 1322, 1516, 1983, 2274, 2644, 3411, 3966, 4548, 5949, 6822, 7932, 10233, 11898, 13644, 17847, 20466, 23796, 30699, 35694, 40932, 53541, 61398, 71388, 107082, 122796, 214164, 250519, 501038, 751557, 1002076, 1503114, 2254671, 3006228, 4509342, 6764013, 9018684, 13528026, 20292039, 27056052, 40584078, 81168156]

約数ペア:

[(1, 81168156), (2, 40584078), (3, 27056052), (4, 20292039), (6, 13528026), (9, 9018684), (12, 6764013), (18, 4509342), (27, 3006228), (36, 2254671), (54, 1503114), (81, 1002076), (108, 751557), (162, 501038), (324, 250519), (379, 214164), (661, 122796), (758, 107082), (1137, 71388), (1322, 61398), (1516, 53541), (1983, 40932), (2274, 35694), (2644, 30699), (3411, 23796), (3966, 20466), (4548, 17847), (5949, 13644), (6822, 11898), (7932, 10233)]