13880925

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 27855360

約数和(自身を除く): 13974435

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 45, 51, 57, 75, 85, 95, 153, 171, 191, 225, 255, 285, 323, 425, 475, 573, 765, 855, 955, 969, 1275, 1425, 1615, 1719, 2865, 2907, 3247, 3629, 3825, 4275, 4775, 4845, 8075, 8595, 9741, 10887, 14325, 14535, 16235, 18145, 24225, 29223, 32661, 42975, 48705, 54435, 61693, 72675, 81175, 90725, 146115, 163305, 185079, 243525, 272175, 308465, 555237, 730575, 816525, 925395, 1542325, 2776185, 4626975, 13880925]

約数ペア:

[(1, 13880925), (3, 4626975), (5, 2776185), (9, 1542325), (15, 925395), (17, 816525), (19, 730575), (25, 555237), (45, 308465), (51, 272175), (57, 243525), (75, 185079), (85, 163305), (95, 146115), (153, 90725), (171, 81175), (191, 72675), (225, 61693), (255, 54435), (285, 48705), (323, 42975), (425, 32661), (475, 29223), (573, 24225), (765, 18145), (855, 16235), (955, 14535), (969, 14325), (1275, 10887), (1425, 9741), (1615, 8595), (1719, 8075), (2865, 4845), (2907, 4775), (3247, 4275), (3629, 3825)]