27778891125

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{18617}}^1$

素因数の和:18831

約数の個数: 64

約数和(自身を含む): 48515231232

約数和(自身を除く): 20736340107

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 125, 173, 345, 375, 519, 575, 865, 1725, 2595, 2875, 3979, 4325, 8625, 11937, 12975, 18617, 19895, 21625, 55851, 59685, 64875, 93085, 99475, 279255, 298425, 428191, 465425, 497375, 1284573, 1396275, 1492125, 2140955, 2327125, 3220741, 6422865, 6981375, 9662223, 10704775, 16103705, 32114325, 48311115, 53523875, 74077043, 80518525, 160571625, 222231129, 241555575, 370385215, 402592625, 1111155645, 1207777875, 1851926075, 5555778225, 9259630375, 27778891125]

約数ペア:

[(1, 27778891125), (3, 9259630375), (5, 5555778225), (15, 1851926075), (23, 1207777875), (25, 1111155645), (69, 402592625), (75, 370385215), (115, 241555575), (125, 222231129), (173, 160571625), (345, 80518525), (375, 74077043), (519, 53523875), (575, 48311115), (865, 32114325), (1725, 16103705), (2595, 10704775), (2875, 9662223), (3979, 6981375), (4325, 6422865), (8625, 3220741), (11937, 2327125), (12975, 2140955), (18617, 1492125), (19895, 1396275), (21625, 1284573), (55851, 497375), (59685, 465425), (64875, 428191), (93085, 298425), (99475, 279255)]