395612091

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{947}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 690144000

約数和(自身を除く): 294531909

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 349, 399, 947, 1047, 1197, 2443, 2841, 3141, 6629, 6631, 7329, 8523, 17993, 19887, 19893, 21987, 46417, 53979, 59661, 59679, 125951, 139251, 161937, 330503, 377853, 417753, 991509, 1133559, 2313521, 2974527, 6279557, 6940563, 18838671, 20821689, 43956899, 56516013, 131870697, 395612091]

約数ペア:

[(1, 395612091), (3, 131870697), (7, 56516013), (9, 43956899), (19, 20821689), (21, 18838671), (57, 6940563), (63, 6279557), (133, 2974527), (171, 2313521), (349, 1133559), (399, 991509), (947, 417753), (1047, 377853), (1197, 330503), (2443, 161937), (2841, 139251), (3141, 125951), (6629, 59679), (6631, 59661), (7329, 53979), (8523, 46417), (17993, 21987), (19887, 19893)]