63984921

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{149}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 116827200

約数和(自身を除く): 52842279

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 121, 143, 149, 169, 231, 273, 363, 429, 447, 507, 847, 1001, 1043, 1183, 1573, 1639, 1859, 1937, 2541, 3003, 3129, 3549, 4719, 4917, 5577, 5811, 11011, 11473, 13013, 13559, 18029, 20449, 21307, 25181, 33033, 34419, 39039, 40677, 54087, 61347, 63921, 75543, 126203, 143143, 149149, 176267, 234377, 276991, 378609, 429429, 447447, 528801, 703131, 830973, 1640639, 1938937, 3046901, 4921917, 5816811, 9140703, 21328307, 63984921]

約数ペア:

[(1, 63984921), (3, 21328307), (7, 9140703), (11, 5816811), (13, 4921917), (21, 3046901), (33, 1938937), (39, 1640639), (77, 830973), (91, 703131), (121, 528801), (143, 447447), (149, 429429), (169, 378609), (231, 276991), (273, 234377), (363, 176267), (429, 149149), (447, 143143), (507, 126203), (847, 75543), (1001, 63921), (1043, 61347), (1183, 54087), (1573, 40677), (1639, 39039), (1859, 34419), (1937, 33033), (2541, 25181), (3003, 21307), (3129, 20449), (3549, 18029), (4719, 13559), (4917, 13013), (5577, 11473), (5811, 11011)]