28710705

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 50397120

約数和(自身を除く): 21686415

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 179, 185, 255, 289, 537, 555, 629, 867, 895, 1445, 1887, 2685, 3043, 3145, 4335, 6623, 9129, 9435, 10693, 15215, 19869, 32079, 33115, 45645, 51731, 53465, 99345, 112591, 155193, 160395, 258655, 337773, 562955, 775965, 1688865, 1914047, 5742141, 9570235, 28710705]

約数ペア:

[(1, 28710705), (3, 9570235), (5, 5742141), (15, 1914047), (17, 1688865), (37, 775965), (51, 562955), (85, 337773), (111, 258655), (179, 160395), (185, 155193), (255, 112591), (289, 99345), (537, 53465), (555, 51731), (629, 45645), (867, 33115), (895, 32079), (1445, 19869), (1887, 15215), (2685, 10693), (3043, 9435), (3145, 9129), (4335, 6623)]