990097905

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{39313}}^1$

素因数の和:39417

約数の個数: 32

約数和(自身を含む): 1675719936

約数和(自身を除く): 685622031

約数列:

[1, 3, 5, 15, 23, 69, 73, 115, 219, 345, 365, 1095, 1679, 5037, 8395, 25185, 39313, 117939, 196565, 589695, 904199, 2712597, 2869849, 4520995, 8609547, 13562985, 14349245, 43047735, 66006527, 198019581, 330032635, 990097905]

約数ペア:

[(1, 990097905), (3, 330032635), (5, 198019581), (15, 66006527), (23, 43047735), (69, 14349245), (73, 13562985), (115, 8609547), (219, 4520995), (345, 2869849), (365, 2712597), (1095, 904199), (1679, 589695), (5037, 196565), (8395, 117939), (25185, 39313)]