210444885

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{74231}}^1$

素因数の和:74255

約数の個数: 40

約数和(自身を含む): 431139456

約数和(自身を除く): 220694571

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 74231, 222693, 371155, 519617, 668079, 1113465, 1558851, 2004237, 2598085, 3340395, 4676553, 6012711, 7794255, 10021185, 14029659, 23382765, 30063555, 42088977, 70148295, 210444885]

約数ペア:

[(1, 210444885), (3, 70148295), (5, 42088977), (7, 30063555), (9, 23382765), (15, 14029659), (21, 10021185), (27, 7794255), (35, 6012711), (45, 4676553), (63, 3340395), (81, 2598085), (105, 2004237), (135, 1558851), (189, 1113465), (315, 668079), (405, 519617), (567, 371155), (945, 222693), (2835, 74231)]