1338813819

素因数分解:

$3^3\times 7^2\times {\mathrm{397}}^1\times {\mathrm{2549}}^1$

素因数の和:2969

約数の個数: 48

約数和(自身を含む): 2313972000

約数和(自身を除く): 975158181

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 397, 441, 1191, 1323, 2549, 2779, 3573, 7647, 8337, 10719, 17843, 19453, 22941, 25011, 53529, 58359, 68823, 75033, 124901, 160587, 175077, 374703, 481761, 525231, 1011953, 1124109, 3035859, 3372327, 7083671, 9107577, 21251013, 27322731, 49585697, 63753039, 148757091, 191259117, 446271273, 1338813819]

約数ペア:

[(1, 1338813819), (3, 446271273), (7, 191259117), (9, 148757091), (21, 63753039), (27, 49585697), (49, 27322731), (63, 21251013), (147, 9107577), (189, 7083671), (397, 3372327), (441, 3035859), (1191, 1124109), (1323, 1011953), (2549, 525231), (2779, 481761), (3573, 374703), (7647, 175077), (8337, 160587), (10719, 124901), (17843, 75033), (19453, 68823), (22941, 58359), (25011, 53529)]