180904545

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{631}}^1$

素因数の和:942

約数の個数: 48

約数和(自身を含む): 328902912

約数和(自身を除く): 147998367

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 277, 345, 631, 831, 1035, 1385, 1893, 2493, 3155, 4155, 5679, 6371, 9465, 12465, 14513, 19113, 28395, 31855, 43539, 57339, 72565, 95565, 130617, 174787, 217695, 286695, 524361, 653085, 873935, 1573083, 2621805, 4020101, 7865415, 12060303, 20100505, 36180909, 60301515, 180904545]

約数ペア:

[(1, 180904545), (3, 60301515), (5, 36180909), (9, 20100505), (15, 12060303), (23, 7865415), (45, 4020101), (69, 2621805), (115, 1573083), (207, 873935), (277, 653085), (345, 524361), (631, 286695), (831, 217695), (1035, 174787), (1385, 130617), (1893, 95565), (2493, 72565), (3155, 57339), (4155, 43539), (5679, 31855), (6371, 28395), (9465, 19113), (12465, 14513)]