15861945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{383}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 27869184

約数和(自身を除く): 12007239

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 251, 383, 753, 1149, 1255, 1915, 2761, 3765, 4213, 5745, 8283, 12639, 13805, 21065, 41415, 63195, 96133, 288399, 480665, 1057463, 1441995, 3172389, 5287315, 15861945]

約数ペア:

[(1, 15861945), (3, 5287315), (5, 3172389), (11, 1441995), (15, 1057463), (33, 480665), (55, 288399), (165, 96133), (251, 63195), (383, 41415), (753, 21065), (1149, 13805), (1255, 12639), (1915, 8283), (2761, 5745), (3765, 4213)]