39265821

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 67392000

約数和(自身を除く): 28126179

約数列:

[1, 3, 7, 9, 21, 47, 63, 89, 141, 149, 267, 329, 423, 447, 623, 801, 987, 1043, 1341, 1869, 2961, 3129, 4183, 5607, 7003, 9387, 12549, 13261, 21009, 29281, 37647, 39783, 49021, 63027, 87843, 92827, 119349, 147063, 263529, 278481, 441189, 623267, 835443, 1869801, 4362869, 5609403, 13088607, 39265821]

約数ペア:

[(1, 39265821), (3, 13088607), (7, 5609403), (9, 4362869), (21, 1869801), (47, 835443), (63, 623267), (89, 441189), (141, 278481), (149, 263529), (267, 147063), (329, 119349), (423, 92827), (447, 87843), (623, 63027), (801, 49021), (987, 39783), (1043, 37647), (1341, 29281), (1869, 21009), (2961, 13261), (3129, 12549), (4183, 9387), (5607, 7003)]