1974465

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 3790800

約数和(自身を除く): 1816335

約数列:

[1, 3, 5, 9, 15, 17, 29, 45, 51, 85, 87, 89, 145, 153, 255, 261, 267, 435, 445, 493, 765, 801, 1305, 1335, 1479, 1513, 2465, 2581, 4005, 4437, 4539, 7395, 7565, 7743, 12905, 13617, 22185, 22695, 23229, 38715, 43877, 68085, 116145, 131631, 219385, 394893, 658155, 1974465]

約数ペア:

[(1, 1974465), (3, 658155), (5, 394893), (9, 219385), (15, 131631), (17, 116145), (29, 68085), (45, 43877), (51, 38715), (85, 23229), (87, 22695), (89, 22185), (145, 13617), (153, 12905), (255, 7743), (261, 7565), (267, 7395), (435, 4539), (445, 4437), (493, 4005), (765, 2581), (801, 2465), (1305, 1513), (1335, 1479)]