1331503047

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1\times {\mathrm{1361}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 2248803648

約数和(自身を除く): 917300601

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 293, 371, 477, 879, 1113, 1361, 2051, 2637, 3339, 4083, 6153, 9527, 12249, 15529, 18459, 28581, 46587, 72133, 85743, 108703, 139761, 216399, 326109, 398773, 504931, 649197, 978327, 1196319, 1514793, 2791411, 3588957, 4544379, 8374233, 21134969, 25122699, 63404907, 147944783, 190214721, 443834349, 1331503047]

約数ペア:

[(1, 1331503047), (3, 443834349), (7, 190214721), (9, 147944783), (21, 63404907), (53, 25122699), (63, 21134969), (159, 8374233), (293, 4544379), (371, 3588957), (477, 2791411), (879, 1514793), (1113, 1196319), (1361, 978327), (2051, 649197), (2637, 504931), (3339, 398773), (4083, 326109), (6153, 216399), (9527, 139761), (12249, 108703), (15529, 85743), (18459, 72133), (28581, 46587)]