142987221

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{773}}^1$

素因数の和:843

約数の個数: 64

約数和(自身を含む): 249661440

約数和(自身を除く): 106674219

約数列:

[1, 3, 9, 13, 17, 27, 31, 39, 51, 93, 117, 153, 221, 279, 351, 403, 459, 527, 663, 773, 837, 1209, 1581, 1989, 2319, 3627, 4743, 5967, 6851, 6957, 10049, 10881, 13141, 14229, 20553, 20871, 23963, 30147, 39423, 61659, 71889, 90441, 118269, 170833, 184977, 215667, 271323, 311519, 354807, 407371, 512499, 647001, 934557, 1222113, 1537497, 2803671, 3666339, 4612491, 5295823, 8411013, 10999017, 15887469, 47662407, 142987221]

約数ペア:

[(1, 142987221), (3, 47662407), (9, 15887469), (13, 10999017), (17, 8411013), (27, 5295823), (31, 4612491), (39, 3666339), (51, 2803671), (93, 1537497), (117, 1222113), (153, 934557), (221, 647001), (279, 512499), (351, 407371), (403, 354807), (459, 311519), (527, 271323), (663, 215667), (773, 184977), (837, 170833), (1209, 118269), (1581, 90441), (1989, 71889), (2319, 61659), (3627, 39423), (4743, 30147), (5967, 23963), (6851, 20871), (6957, 20553), (10049, 14229), (10881, 13141)]