1818373767

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{283}}^1$

素因数の和:620

約数の個数: 64

約数和(自身を含む): 2968068096

約数和(自身を除く): 1149694329

約数列:

[1, 3, 7, 21, 23, 53, 69, 159, 161, 251, 283, 371, 483, 753, 849, 1113, 1219, 1757, 1981, 3657, 5271, 5773, 5943, 6509, 8533, 13303, 14999, 17319, 19527, 25599, 39909, 40411, 44997, 45563, 71033, 93121, 104993, 121233, 136689, 213099, 279363, 305969, 314979, 344977, 497231, 917907, 1034931, 1491693, 1633759, 2141783, 2414839, 3764749, 4901277, 6425349, 7244517, 11294247, 11436313, 26353243, 34308939, 79059729, 86589227, 259767681, 606124589, 1818373767]

約数ペア:

[(1, 1818373767), (3, 606124589), (7, 259767681), (21, 86589227), (23, 79059729), (53, 34308939), (69, 26353243), (159, 11436313), (161, 11294247), (251, 7244517), (283, 6425349), (371, 4901277), (483, 3764749), (753, 2414839), (849, 2141783), (1113, 1633759), (1219, 1491693), (1757, 1034931), (1981, 917907), (3657, 497231), (5271, 344977), (5773, 314979), (5943, 305969), (6509, 279363), (8533, 213099), (13303, 136689), (14999, 121233), (17319, 104993), (19527, 93121), (25599, 71033), (39909, 45563), (40411, 44997)]