81089625

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^2\times {\mathrm{599}}^1$

素因数の和:655

約数の個数: 48

約数和(自身を含む): 142646400

約数和(自身を除く): 61556775

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 361, 375, 475, 599, 1083, 1425, 1797, 1805, 2375, 2995, 5415, 7125, 8985, 9025, 11381, 14975, 27075, 34143, 44925, 45125, 56905, 74875, 135375, 170715, 216239, 224625, 284525, 648717, 853575, 1081195, 1422625, 3243585, 4267875, 5405975, 16217925, 27029875, 81089625]

約数ペア:

[(1, 81089625), (3, 27029875), (5, 16217925), (15, 5405975), (19, 4267875), (25, 3243585), (57, 1422625), (75, 1081195), (95, 853575), (125, 648717), (285, 284525), (361, 224625), (375, 216239), (475, 170715), (599, 135375), (1083, 74875), (1425, 56905), (1797, 45125), (1805, 44925), (2375, 34143), (2995, 27075), (5415, 14975), (7125, 11381), (8985, 9025)]