2109377955

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{165247}}^1$

素因数の和:165315

約数の個数: 32

約数和(自身を含む): 3616948224

約数和(自身を除く): 1507570269

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 2553, 4255, 12765, 165247, 495741, 826235, 2478705, 3800681, 6114139, 11402043, 18342417, 19003405, 30570695, 57010215, 91712085, 140625197, 421875591, 703125985, 2109377955]

約数ペア:

[(1, 2109377955), (3, 703125985), (5, 421875591), (15, 140625197), (23, 91712085), (37, 57010215), (69, 30570695), (111, 19003405), (115, 18342417), (185, 11402043), (345, 6114139), (555, 3800681), (851, 2478705), (2553, 826235), (4255, 495741), (12765, 165247)]