27790945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{593}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 41513472

約数和(自身を除く): 13722527

約数列:

[1, 5, 7, 13, 35, 65, 91, 103, 455, 515, 593, 721, 1339, 2965, 3605, 4151, 6695, 7709, 9373, 20755, 38545, 46865, 53963, 61079, 269815, 305395, 427553, 794027, 2137765, 3970135, 5558189, 27790945]

約数ペア:

[(1, 27790945), (5, 5558189), (7, 3970135), (13, 2137765), (35, 794027), (65, 427553), (91, 305395), (103, 269815), (455, 61079), (515, 53963), (593, 46865), (721, 38545), (1339, 20755), (2965, 9373), (3605, 7709), (4151, 6695)]