201728916

素因数分解:

$2^2\times 3^2\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:729

約数の個数: 72

約数和(自身を含む): 520720200

約数和(自身を除く): 318991284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 101, 109, 202, 218, 303, 327, 404, 436, 509, 606, 654, 909, 981, 1018, 1212, 1308, 1527, 1818, 1962, 2036, 3054, 3636, 3924, 4581, 6108, 9162, 11009, 18324, 22018, 33027, 44036, 51409, 55481, 66054, 99081, 102818, 110962, 132108, 154227, 166443, 198162, 205636, 221924, 308454, 332886, 396324, 462681, 499329, 616908, 665772, 925362, 998658, 1850724, 1997316, 5603581, 11207162, 16810743, 22414324, 33621486, 50432229, 67242972, 100864458, 201728916]

約数ペア:

[(1, 201728916), (2, 100864458), (3, 67242972), (4, 50432229), (6, 33621486), (9, 22414324), (12, 16810743), (18, 11207162), (36, 5603581), (101, 1997316), (109, 1850724), (202, 998658), (218, 925362), (303, 665772), (327, 616908), (404, 499329), (436, 462681), (509, 396324), (606, 332886), (654, 308454), (909, 221924), (981, 205636), (1018, 198162), (1212, 166443), (1308, 154227), (1527, 132108), (1818, 110962), (1962, 102818), (2036, 99081), (3054, 66054), (3636, 55481), (3924, 51409), (4581, 44036), (6108, 33027), (9162, 22018), (11009, 18324)]