28453185

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{743}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 52925184

約数和(自身を除く): 24471999

約数列:

[1, 3, 5, 9, 15, 23, 37, 45, 69, 111, 115, 185, 207, 333, 345, 555, 743, 851, 1035, 1665, 2229, 2553, 3715, 4255, 6687, 7659, 11145, 12765, 17089, 27491, 33435, 38295, 51267, 82473, 85445, 137455, 153801, 247419, 256335, 412365, 632293, 769005, 1237095, 1896879, 3161465, 5690637, 9484395, 28453185]

約数ペア:

[(1, 28453185), (3, 9484395), (5, 5690637), (9, 3161465), (15, 1896879), (23, 1237095), (37, 769005), (45, 632293), (69, 412365), (111, 256335), (115, 247419), (185, 153801), (207, 137455), (333, 85445), (345, 82473), (555, 51267), (743, 38295), (851, 33435), (1035, 27491), (1665, 17089), (2229, 12765), (2553, 11145), (3715, 7659), (4255, 6687)]