1279894635

素因数分解:

$3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{1993}}^1$

素因数の和:2145

約数の個数: 64

約数和(自身を含む): 2343029760

約数和(自身を除く): 1063135125

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 71, 135, 201, 213, 335, 355, 603, 639, 1005, 1065, 1809, 1917, 1993, 3015, 3195, 4757, 5979, 9045, 9585, 9965, 14271, 17937, 23785, 29895, 42813, 53811, 71355, 89685, 128439, 133531, 141503, 214065, 269055, 400593, 424509, 642195, 667655, 707515, 1201779, 1273527, 2002965, 2122545, 3605337, 3820581, 6008895, 6367635, 9480701, 18026685, 19102905, 28442103, 47403505, 85326309, 142210515, 255978927, 426631545, 1279894635]

約数ペア:

[(1, 1279894635), (3, 426631545), (5, 255978927), (9, 142210515), (15, 85326309), (27, 47403505), (45, 28442103), (67, 19102905), (71, 18026685), (135, 9480701), (201, 6367635), (213, 6008895), (335, 3820581), (355, 3605337), (603, 2122545), (639, 2002965), (1005, 1273527), (1065, 1201779), (1809, 707515), (1917, 667655), (1993, 642195), (3015, 424509), (3195, 400593), (4757, 269055), (5979, 214065), (9045, 141503), (9585, 133531), (9965, 128439), (14271, 89685), (17937, 71355), (23785, 53811), (29895, 42813)]