206473875

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{647}}^1$

素因数の和:725

約数の個数: 64

約数和(自身を含む): 368769024

約数和(自身を除く): 162295149

約数列:

[1, 3, 5, 15, 23, 25, 37, 69, 75, 111, 115, 125, 185, 345, 375, 555, 575, 647, 851, 925, 1725, 1941, 2553, 2775, 2875, 3235, 4255, 4625, 8625, 9705, 12765, 13875, 14881, 16175, 21275, 23939, 44643, 48525, 63825, 71817, 74405, 80875, 106375, 119695, 223215, 242625, 319125, 359085, 372025, 550597, 598475, 1116075, 1651791, 1795425, 1860125, 2752985, 2992375, 5580375, 8258955, 8977125, 13764925, 41294775, 68824625, 206473875]

約数ペア:

[(1, 206473875), (3, 68824625), (5, 41294775), (15, 13764925), (23, 8977125), (25, 8258955), (37, 5580375), (69, 2992375), (75, 2752985), (111, 1860125), (115, 1795425), (125, 1651791), (185, 1116075), (345, 598475), (375, 550597), (555, 372025), (575, 359085), (647, 319125), (851, 242625), (925, 223215), (1725, 119695), (1941, 106375), (2553, 80875), (2775, 74405), (2875, 71817), (3235, 63825), (4255, 48525), (4625, 44643), (8625, 23939), (9705, 21275), (12765, 16175), (13875, 14881)]