190039821

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{421}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 275643648

約数和(自身を除く): 85603827

約数列:

[1, 3, 17, 51, 53, 159, 167, 421, 501, 901, 1263, 2703, 2839, 7157, 8517, 8851, 21471, 22313, 26553, 66939, 70307, 150467, 210921, 379321, 451401, 1137963, 1195219, 3585657, 3726271, 11178813, 63346607, 190039821]

約数ペア:

[(1, 190039821), (3, 63346607), (17, 11178813), (51, 3726271), (53, 3585657), (159, 1195219), (167, 1137963), (421, 451401), (501, 379321), (901, 210921), (1263, 150467), (2703, 70307), (2839, 66939), (7157, 26553), (8517, 22313), (8851, 21471)]