30551895

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 60418176

約数和(自身を除く): 29866281

約数列:

[1, 3, 5, 9, 11, 15, 31, 33, 45, 55, 93, 99, 121, 155, 165, 181, 279, 341, 363, 465, 495, 543, 605, 905, 1023, 1089, 1395, 1629, 1705, 1815, 1991, 2715, 3069, 3751, 5115, 5445, 5611, 5973, 8145, 9955, 11253, 15345, 16833, 17919, 18755, 21901, 28055, 29865, 33759, 50499, 56265, 61721, 65703, 84165, 89595, 109505, 168795, 185163, 197109, 252495, 308605, 328515, 555489, 678931, 925815, 985545, 2036793, 2777445, 3394655, 6110379, 10183965, 30551895]

約数ペア:

[(1, 30551895), (3, 10183965), (5, 6110379), (9, 3394655), (11, 2777445), (15, 2036793), (31, 985545), (33, 925815), (45, 678931), (55, 555489), (93, 328515), (99, 308605), (121, 252495), (155, 197109), (165, 185163), (181, 168795), (279, 109505), (341, 89595), (363, 84165), (465, 65703), (495, 61721), (543, 56265), (605, 50499), (905, 33759), (1023, 29865), (1089, 28055), (1395, 21901), (1629, 18755), (1705, 17919), (1815, 16833), (1991, 15345), (2715, 11253), (3069, 9955), (3751, 8145), (5115, 5973), (5445, 5611)]