642195

素因数分解:

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

素因数の和:152

約数の個数: 32

約数和(自身を含む): 1175040

約数和(自身を除く): 532845

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 71, 135, 201, 213, 335, 355, 603, 639, 1005, 1065, 1809, 1917, 3015, 3195, 4757, 9045, 9585, 14271, 23785, 42813, 71355, 128439, 214065, 642195]

約数ペア:

[(1, 642195), (3, 214065), (5, 128439), (9, 71355), (15, 42813), (27, 23785), (45, 14271), (67, 9585), (71, 9045), (135, 4757), (201, 3195), (213, 3015), (335, 1917), (355, 1809), (603, 1065), (639, 1005)]