201993281955

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1451}}^1\times {\mathrm{23981}}^1$

素因数の和:25489

約数の個数: 64

約数和(自身を含む): 367718883840

約数和(自身を除く): 165725601885

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1451, 1935, 4353, 5805, 7255, 13059, 21765, 23981, 39177, 62393, 65295, 71943, 119905, 187179, 195885, 215829, 311965, 359715, 561537, 647487, 935895, 1031183, 1079145, 1684611, 2807685, 3093549, 3237435, 5155915, 8423055, 9280647, 15467745, 27841941, 34796431, 46403235, 104389293, 139209705, 173982155, 313167879, 521946465, 939503637, 1496246533, 1565839395, 4488739599, 4697518185, 7481232665, 13466218797, 22443697995, 40398656391, 67331093985, 201993281955]

約数ペア:

[(1, 201993281955), (3, 67331093985), (5, 40398656391), (9, 22443697995), (15, 13466218797), (27, 7481232665), (43, 4697518185), (45, 4488739599), (129, 1565839395), (135, 1496246533), (215, 939503637), (387, 521946465), (645, 313167879), (1161, 173982155), (1451, 139209705), (1935, 104389293), (4353, 46403235), (5805, 34796431), (7255, 27841941), (13059, 15467745), (21765, 9280647), (23981, 8423055), (39177, 5155915), (62393, 3237435), (65295, 3093549), (71943, 2807685), (119905, 1684611), (187179, 1079145), (195885, 1031183), (215829, 935895), (311965, 647487), (359715, 561537)]