78073815

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{1877}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 129807360

約数和(自身を除く): 51733545

約数列:

[1, 3, 5, 15, 47, 59, 141, 177, 235, 295, 705, 885, 1877, 2773, 5631, 8319, 9385, 13865, 28155, 41595, 88219, 110743, 264657, 332229, 441095, 553715, 1323285, 1661145, 5204921, 15614763, 26024605, 78073815]

約数ペア:

[(1, 78073815), (3, 26024605), (5, 15614763), (15, 5204921), (47, 1661145), (59, 1323285), (141, 553715), (177, 441095), (235, 332229), (295, 264657), (705, 110743), (885, 88219), (1877, 41595), (2773, 28155), (5631, 13865), (8319, 9385)]