764652105

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{541}}^1\times {\mathrm{641}}^1$

素因数の和:1207

約数の個数: 72

約数和(自身を含む): 1547047944

約数和(自身を除く): 782395839

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 541, 641, 735, 1623, 1923, 2205, 2705, 3205, 3787, 4487, 4869, 5769, 8115, 9615, 11361, 13461, 18935, 22435, 24345, 26509, 28845, 31409, 34083, 40383, 56805, 67305, 79527, 94227, 132545, 157045, 170415, 201915, 238581, 282681, 346781, 397635, 471135, 1040343, 1192905, 1413405, 1733905, 2427467, 3121029, 5201715, 7282401, 12137335, 15605145, 16992269, 21847203, 36412005, 50976807, 84961345, 109236015, 152930421, 254884035, 764652105]

約数ペア:

[(1, 764652105), (3, 254884035), (5, 152930421), (7, 109236015), (9, 84961345), (15, 50976807), (21, 36412005), (35, 21847203), (45, 16992269), (49, 15605145), (63, 12137335), (105, 7282401), (147, 5201715), (245, 3121029), (315, 2427467), (441, 1733905), (541, 1413405), (641, 1192905), (735, 1040343), (1623, 471135), (1923, 397635), (2205, 346781), (2705, 282681), (3205, 238581), (3787, 201915), (4487, 170415), (4869, 157045), (5769, 132545), (8115, 94227), (9615, 79527), (11361, 67305), (13461, 56805), (18935, 40383), (22435, 34083), (24345, 31409), (26509, 28845)]