201955047

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 337920000

約数和(自身を除く): 135964953

約数列:

[1, 3, 7, 19, 21, 43, 57, 79, 129, 133, 149, 237, 301, 399, 447, 553, 817, 903, 1043, 1501, 1659, 2451, 2831, 3129, 3397, 4503, 5719, 6407, 8493, 10191, 10507, 11771, 17157, 19221, 19817, 23779, 31521, 35313, 44849, 59451, 64543, 71337, 82397, 121733, 134547, 193629, 223649, 247191, 365199, 451801, 506153, 670947, 852131, 1355403, 1518459, 1565543, 2556393, 3543071, 4696629, 9616907, 10629213, 28850721, 67318349, 201955047]

約数ペア:

[(1, 201955047), (3, 67318349), (7, 28850721), (19, 10629213), (21, 9616907), (43, 4696629), (57, 3543071), (79, 2556393), (129, 1565543), (133, 1518459), (149, 1355403), (237, 852131), (301, 670947), (399, 506153), (447, 451801), (553, 365199), (817, 247191), (903, 223649), (1043, 193629), (1501, 134547), (1659, 121733), (2451, 82397), (2831, 71337), (3129, 64543), (3397, 59451), (4503, 44849), (5719, 35313), (6407, 31521), (8493, 23779), (10191, 19817), (10507, 19221), (11771, 17157)]